At the end of each day the manager of a bookstore runs a inventory program that reports the activity…

At the end of each day the manager of a bookstore runs a inventory program that reports the activity for the day at 10:00 a.m there were 2500 books on the shelves in the bookstore. Every 15 minutes 10 books were sold. Every hour 25 books were stocked on the shelves. What was the amount of books at 5:00 p.m.