Bruh... no.
Assume said person has $100.
He spends 60, now he’s at $40. Sells for 70, he’s at $110 now.
Then out of that $110, he pulls 80. He’s left with $30. Sells for 90, he ends with $120.
He started with $100 and finished with $120. Now you tell me where you fucked up at lol
You can't make that assumption. The only thing we have to go on are the numbers in the scenario as presented. In that scenario, he makes $10.
We can. He starts with a $60 purchase, sells his $60 goat for $70, and then buys another for $80, which means he has more than just that first $60
So here is where your mistake is.
You are taking that as if he just voided the profit he made. But his money made him money. He started with 60... ended with 90. $30. He then takes the $10 he borrowed and gave it back.
His final net gain is $20.
When you say he was -10, that’s wrong. He was already +10 going into it. So him borrowing and repaying that 10 is just a placeholder.
+10
-10 +10
+10
End result, +20... cant break it down any more than that.
You cant ever tell old people they are wrong.
He went from 60 to 90 but his net profit is only 10. Aight.
Selling for $80 is not breaking even. He still got 60 + 10 and then the additional 10 he has to hand over. That is still, $10 more then he had before... not breaking even.
Ima need you to sleep on it gramps
The answer is $20. The guy isnt losing any money from the 2nd purchase just because its the same goat. Lets break it down.
On Monday, the I notice the price of goats went down, so I buy one for $60. On Tuesday the price of goats go up, so I sell mine for $70 and make a $10 profit. That transaction ends.
On Wednesday I get news that the price of goats are gonna keep going up, so I go to the market and buy the same goat for $80. On Thursday, the price goes up and I sell it for $90. I make a $10 profit and that transaction ends.
In total I bought the goat and flipped it for $10, and then bought the goat again and flipped it for another $10.