Journalize the adjusting entry needed at Dec. 31 for each of the following independent situations:

a) On June 1, when we collected $4800 rent in advance, we debited Cash and credited Unearned Rent Revenue. The tenant was paying for one year's rent in advance. at Dec. 31, we must account for the amount of rent we have earned.

b) Interest revenue of $2400 has been earned but not yet received on a $60,000 note receivable held by the business.

C) salaries expense is $7,500 per day - Monday through Friday- and the business pays employees each Friday. This year Dec. 31 falls on a Wednesday.

d) Equipment was purchased last year at a cost of $200,000. the equipment's useful life is five years.

e) On Sep. 1, when we paid $6,000 for a one-year insurance policy, we debited prepaid insurance and credited Cash.

f) the business owes interest expense of $7,200 that it will pay early in the next period.

g) the unadjusted balance of the Supplies account is $13,500. The total cost of supplies remaining on hand on Dec. 31 is $4,500.