3. BRC Printing imprints calendars with scenic landscapes. The company has fixed expenses of $109,500 each month plus variable expenses of $8 per box of calendars. The company sells each carton of calendars for $20 Required: a) Compute the number of boxes of calendars that BRC must sell each month to break even. Use any method. (10 marks) b) Compute the dollar amount of monthly sales that the company needs in order to earn $285,000 in operating income. (10 marks) c) Prepare the company's contribution margin income statement for January for sales of 12,000 boxes of calendars. Explain if this scenario generates a higher or lower operating income than in scenario b. (18 marks)