Flint Hills, Inc. has prepared a year-end 2018 trial balance. Certain accounts in the trial balance do not reflect all activities that have occurred.

The Supplies account shows a balance of $680, but a count of supplies reveals only $280 on hand.

Flint Hills initially records the payments of all insurance premiums as expenses. The trial balance shows a balance of $490 in Insurance expense. A review of insurance policies reveals that $160 of insurance is unexpired.

Flint Hills employees work Monday through Friday, and salaries of $3,100 per week are paid each Friday. Flint Hills' year-end falls on Tuesday.

On December 31, 2018, Flint Hills received a utility bill for December electricity usage of $260 that will be paid in early January of 2019.

Required: Prepare adjusting journal entries, as needed, for the above items. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

1. The Supplies account shows a balance of $680, but a count of supplies reveals only $280 on hand.

2. Flint Hills initially records the payments of all insurance premiums as expenses. The trial balance shows a balance of $490 in Insurance expense. A review of insurance policies reveals that $160 of insurance is unexpired.

3. Flint Hills employees work Monday through Friday, and salaries of $3,100 per week are paid each Friday. Flint Hills' year-end falls on Tuesday.

4. On December 31, 2018, Flint Hills received a utility bill for December electricity usage of $260 that will be paid in early January of 2019.

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