Answer and Explanation:
The computation is shown below:
a. The predetermined overhead rate is
= $660,000 ÷ 100,000
= $6.60
(b) The amount is
For Job 345, it is
= 560 hours × $6.60
= $3,696
And,
For Job 777, it is
= 800 hours × $6.60
= $5,280
(c) The journal entry is
Work in Process $8,976
To Factory Overhead $8,976
(Being the factory overhead applied is shown below:
= $3,696 + $5,280
= $8,976