Answer:
a. $21
b. $1,890,000
Step-by-step explanation:
a. The computation of the predetermined overhead rate is shown below:
Predetermined overhead rate = (Total estimated manufacturing overhead) ÷ (estimated computer hours)
= $2,100,000 ÷ 100,000 hours
= $21
b. Now the applied overhead which equals to
= Actual computer hours × predetermined overhead rate
= 90,000 hours × $21
= $1,890,000