Answer:
$2.58 per machine hour
Step-by-step explanation:
The computation of the fabrication activity cost pool activity rate is
= ($461,000 × 15%) + ($123,000 × 15%) + ($207,000 × 20%) ÷ 50,000 machine hours
= ($69,150 + $18,450 + $41,400) ÷ 50,000 machine hours
= $2.58 per machine hour