Explanation:
The adjusting entry is as follows
On December 31
Insurance expense A/c Dr $5,150
To Prepaid insurance A/c $5,150
(Being the insurance expense is recorded)
It is computed below:
= Balance in prepaid insurance account - unexpired amount
= $9,050 - $3,900
= $5,150
While passing the adjusting entry we debited the insurance expense account and credited the prepaid insurance account