Which of the following is true? (A) 3 + 4 <7
(B) -5 > 0
(C) 2 + 7 = 6 + 3
(D) -8 + 9 < 0

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.