what is the adjustment?

unrecorded at year-end. P4-50. INat \\ earned sent is a liability on the balance sheet On Friday, Harry Sway's boss asks him to prepare a special report that is due Adjustments on Monday at 8 am. Harry gathers the following material in his briefcase: 0 130 min) December 31 2019 2020 Prepaid Advertising 5600 Accrued Interest 150 350 Unearned Rent 500 3410 Cash paid for: Advertising 51,900 Interest. 1,500 Cash received for: Rent 2,300 As his best friend, you want to help Harry show the amounts that are to be reported on the 2020 income statement for fa; Advertising Expense, (b) Interest Expense, and (@) Rent Fees Earned. Please explain in writing why uncarned rent is considered a liability