"M-class painkillers, I want five bottles, no, three bottles."

"One bottle of each of the other types of medication."

"What’s the price?"

Shen Qingyun seemed to have made up his mind and presented his very clear demands to Ye Lin.

Ye Lin was taken aback because the M-class medication that Shen Qingyun specified happened to be the one with the highest base and suggested retail price among the four types.

For average players, it is difficult to memorize the suggested retail range of all medications in a short time.

However, Ye Lin had undergone special speed memory training.

In fact, speed memory isn’t a particularly mysterious skill; the so-called memory palace is a specific method, which is to define a set of corresponding codes for numbers and items and memorize them thoroughly. Then, when seeing numbers, one can convert them into specific items and memorize them through images, actions, and sensations.

This is purely short-term memory, enabling players to remember specific information within minutes, but it will be completely forgotten by the next day.

In reality, this memory method isn’t particularly practical, but it perfectly suits the game characteristics in Walkway.

This speed memory ability has also given Ye Lin a quick advantage in many games.

Additionally, in the process of memorizing these medication prices, Ye Lin also sorted them by ’ordering’.

This means arranging the letter combinations of the four medications under a particular rule.

For example, according to the base price of purchasing from a vending machine (from low to high) is O-F-C-M, while the highest suggested retail price (from low to high) is M-C-O-F.

If you subtract the base price from the highest suggested retail price, it can be considered the ’profit margin’ of the medication, and the order from low to high is also M-C-O-F.

These specific arrangements are used by Ye Lin as an aid to memory, and not only that, but ’CM’ and ’OF’ can also be categorized.

CM can be seen as high purchase price, low profit margin medications, while OF can be seen as low purchase price, high profit margin.

Among them, M-class painkillers happen to be the most expensive, with a purchase price of 1000 and an allowable highest sale price of only 1500.

Buying one bottle of M-class painkiller can get ten bottles of O-class painkillers.

Why did Shen Qingyun precisely choose M-class painkillers? Prior to this, Shen Qingyun shouldn’t have known the specific prices of these medications.

Ye Lin gave it a little thought. She didn’t directly report the prices of these medications, but asked, "Do you have a way to differentiate these medications? What’s special about the M-class ones? Why do you only want more of this one type?"

Shen Qingyun shook his head slightly: "I do have a way to differentiate these medications, but, of course, this is just my guess and hasn’t been fully verified."

"That’s why I considered taking one bottle of each type and making some attempts later."

"But I’m sorry, I can’t share this information with you."

"Of course, I will not share this information with anyone else either."

"Because once ill-intentioned players learn about this information, it could lead to irreversibly bad impacts on the game, and I don’t want to take that risk."

Ye Lin was somewhat surprised; Shen Qingyun’s attitude was quite straightforward but also quite determined.

In fact, Shen Qingyun could have found a reason to brush it off, like claiming he couldn’t differentiate them and just randomly chose one kind to buy more of for trying.

If he did that, Ye Lin might suspect, but wouldn’t really be able to prove it was a lie.

Shen Qingyun wasn’t willing to lie on this issue, but it was clear there wasn’t much room for compromise.

Ye Lin didn’t persist. She silently sighed: "Alright, since you choose to be truthful, I’ll also speak frankly."

"These types of medications, the price I procure them for also differs."

"The M-class medication you chose happens to have the highest procurement price, 1000 points in medical funds per bottle."

"The other three types are 300, 100, and 200 respectively."

"O-class painkillers are the cheapest, only 100."

"Additionally, each of them has different ’guideline retail prices,’ and I cannot sell them to you below the guideline price."

"The procurement price of M-class painkillers is 1000, the lowest retail price is 1200, and the highest retail price is 1500."

"For the others, these three figures all differ as well."

"The rules also state that any trading of these medications must adhere to the guideline price, otherwise each illegal transaction will result in deducted earnings upon leaving."

"Even so, do you still want to prioritize buying M-class medications?"

Ye Lin carefully observed Shen Qingyun’s reaction.

The things she said were indeed facts, without any lies, but the other party might not necessarily believe them.

Especially the part where the M-class painkillers’ procurement price is 1000, and the lowest retail price is 1200, which looked suspicious.

Because there are indeed some medications where the procurement price and the lowest retail price are the same, even the O-class painkillers can be sold at a loss, buying at 100 and selling at 50.

Only Sales can see these specific numbers, so if Shen Qingyun is a skeptical player, he might also think Ye Lin deliberately reported incorrect data about M-class painkillers to mislead him.

However, after considering it, Shen Qingyun seemed to temporarily rule out this possibility.

"It’s alright, you can have a small profit margin.

"I cannot verify whether the data you mentioned is true, but without obtaining conflicting information, I choose to trust you."

"Let’s settle it as per what I said before."

Ye Lin didn’t say more: "Three bottles of M-class, one bottle of each of the others."

"M-class is 3600 points in medical funds, and the other three bottles together are 750 points."

"However, one of the M-class is already opened. I’m just carrying these three bottles. If you mind, just buy two bottles, and I’ll replenish in the next game round."

"I calculated everything based on the minimum suggested retail price, leaving some profit room within the game rules, but not much."

"Both of us are straightforward speakers, and our gaming philosophies are quite similar. If possible, I hope we can have more opportunities for cooperation in the future."

"I don’t mind giving you a bit more profit as long as it’s mutually beneficial."

Shen Qingyun didn’t say much, just took out his ’Medical Card’, signaling Ye Lin to swipe hers on the specified machine on the table as well.

This machine has two screens, allowing confirmation of transaction information. Once both parties verify the details, swiping their cards completes the transaction.

However, this machine won’t indicate whether the transactions conform to the ’guideline retail price’ requirement—players have to determine that themselves.

After the transaction was completed, Ye Lin stood up, ready to return to her room.

But before leaving, she suddenly thought of something and asked, "Each of us should suffer from pain in the future, which medication would you recommend I take?"

Shen Qingyun didn’t hesitate: "M-class, or C-class."

"However, the C-class effect might be substantially inferior."

"Of course, this is just a guess and not necessarily accurate, so it doesn’t constitute medical advice."

Ye Lin nodded: "Thanks."