Question 954770
total cost/number of items=cost per item
₦2880/144=₦20/book
100* ₦(20+2)=₦2200 Total taken in for 100 books is ₦2200.
₦2200+₦132=₦2332 total taken in for all books.
Total taken in-total cost=Profit(+) or loss (-)
₦2332-₦2880=-₦548  He had a loss of  ₦548
-₦548/₦2880(100%)= -19% He had a loss of 19%.