January 28 Write off accounts receivable as uncollectible, $6,300. January 30 Firework sales for the second half of the month total S $144,000 on account. The cost of the units sold is $87, January 31 Pay cash for monthly salaries, $53,500. 4. Prepare a multiple-step income statement for the period ended January 31, 202 ACME FIREWORKS Income Statement For the year ended January 31, 2021 Total operating expenses $