Please answer the May part that I got wrong, Thank you.

Becker Bikes manufactures tricycles. The company expects to sell 520 units in May and 650 units in June. Beginning and ending finished goods for May is expected to be 180 and 145 units, respectively. June's ending finished goods is expected to be 155 units. Each unit requires 3 wheels at a cost of $22 per wheel. Becker requires 20 percent of next month's material production needs on hand each month. July's production units is expected to be 620 units. Compute Becker's direct materials purchases budget with respect to wheels for May and June. Answer is complete but not entirely correct. May June Budgeted cost of wheels purchased $ 40,722 $ 43,032