Need help and a explanation. Thanks

Pima, Inc. manufactures calculators that sell for $46 each. Each calculator uses $17 in direct materials and $7 in direct labor per unit. Plma has two activities: Machining, which is applied at the rate of $4 per machine hour, and Finishing, which is applied at the rate of $20 per batch. This month, Plma made 420 calculators, using 1.050 machine hours in 42 batches. What is the gross profit for one calculator? Multiple Choice O $10 $37 O O $27 $22 O