Help me to solve this fast ( prove it)

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.

Which letters from the table represent like terms? a and b b and c a and d b and d

With alll of except for the 2 that i did already