What is a profit?

can someone explain to me as simple as possible? i get it's a financial gain, but i need more explanation.

Mattress wholesalers, inc. is constantly trying to reduce inventory in its supply chain. last year, cogs was $7.47 million and inventory was $1.47 million. this year, cogs is $8.65 million and inventory investment is $1.64 million.a) what was its weeks of supply last ) what is its weeks of supply this ) is mattress wholesalers making progress in its inventory reduction effort? since the number of weeks that cover the supply has mattress wholesalers is making in its inventory reduction effort.

Corporation had a japanese yen receivable resulting from exports to japan and a brazilian real payable resulting from imports from brazil. gracie recorded foreign exchange gains related to both its yen receivable and real payable. did the foreign currencies increase or decrease in dollar value from the date of the transaction to the settlement date?

One principle of usability testing is that it permeates product development. what does that mean?