Al B Core Works at a Fresh Fish Market

Al B. Core works at a Fresh Fish Market. The market sells fresh fish from 9 am.until 7 p.m.every day.The store does not sell day-old fish, so all unsold fish are thrown away at 7 p.m.each day.If Al has lots of fresh fish left at the end of the day that cost him $300 to acquire, what should Al do?​

A) ​Lower the price of the remaining fish, even if he can't recover his $300.
B) ​Lower the price of the remaining fish, but under no circumstances should the price fall below $300 for the remaining fish.
C) ​Throw the fish away even if he could sell some of them at a discounted price.
D) ​Starting tomorrow, lower the price on all fish so they will all be sold by mid-day.