a$.$ Prepaid insurance, beginning, $$500.$ Payments for insurance during the period, $$2,000.$ Prepaid insurance, ending, $$400.$

b$.$ Interest revenue accrued, $$2,500.$

c$.$ Unearned service revenue, beginning, $$1,700.$ Unearned service revenue, ending, $$300.$

d$.$ Depreciation on building, $$5,600.$

e$.$ Employees' salaries owed for two days of a five$-$day work week; weekly payroll, $$19,000.$

f$.$ Income before income tax, $$21,000.$ Income tax rate is $35\%.$