Answer:
January $0
February = $550
March = $300
April = $150
Step-by-step explanation:
Revenues
January $0
February 4000 x 55% = $2200
March 4000 x 30% = $1200
April 4000 x 15% = $600
Expenses
January $0
February 3000 x 55% = $1650
March 3000 x 30% = $900
April 3000 x 15% = $450
Operating Income
January $0
February 2200 - 1,650 = $550
March 1,200 - 900 = $300
April 600- 450 = $150