Prepare the necessary adjusting entries for Johnstone Controls at the end of its December 31, 2021, fiscal year-end for each of the following situations. No adjusting entries were recorded during the year.

1. On March 31, 2021, the company lent $50,000 to another company. A note was signed with principal and interest at 6% payable on March 31, 2022.

2. On September 30, 2021, the company paid its landlord $12,000 representing rent for the period September 30, 2021, to September 30, 2022. Johnstone debited prepaid rent.

3. Supplies on hand at the end of 2020 totaled $3,000. Additional supplies costing $5,000 were purchased during 2021 and debited to the supplies account. At the end of 2021, supplies costing $4,200 remain on hand.

4. Vacation pay of $6,000 for the year that had been earned by employees was not paid or recorded. The company records vacation pay as salaries expense.