Answer:
a. Rate charged per hour of labor = [Total Budgeted Costs (Time Charges) / Number of Hours + Profit margin]
Rate charged per hour of labor = [$334,400/7,600 + $35]
Rate charged per hour of labor = $44 + $35
Rate charged per hour of labor = $79
b. Calculation of Material Loading percentage:
= [$40,000 + $10,500 + $28,000] / $400,000
= $78,500 / $400,000
= 0.19625
= 19.63%