Solution :
a). Cash $ 294,300
Sales (300 x $ 900) 270,000
Revenue unearned warranty (270 x $ 90) 24,300
b). The current liabilities
Revenue unearned warranty ($ 24,300/3)... $ 8100
Long term liabilities
Revenue unearned warranty ($24,300 x 2/3) $ 16,200
c). Revenue unearned warranty 8,100
Warranty revenue 8,100
Warranty expenses 6,000
Parts inventory 2000
Accrued payroll 4000
d). Current liabilities
Revenue unearned warranty 8,100
Long term liabilities
Revenue unearned warranty 8,100