A clearance rack has items for 75% off. Harriet uses the expression p−0.75p to find the new price of an item that originally cost p dollars. Use the drop-down menus to complete each sentence.

The expression p - 0.75p can be simplified to p.
A: -1.75
B: 1.75
C: 0.25

This means Harriet can find the new price of an item by finding A: -175 % of the original price B: 175
C: 25