Markham Catering produces 3 sets of party trays. its sales mix and contribution margin information per order is shown below: Sales mix Contribution margin 15% $120 Party Trays Set A Party Trays Set b Party Trays Set C 60% $60 25% $40 The total fixed costs is $5,440,000 Calculate the number of each set of party trays that the company would need to sell in order to breakeven by filling in the blanks below: Weighted average unit contribution margin is Number of Party Trays Set A to be sold to breakeven Number of Party Trays Set B to be sold to breakeven Number of Party Trays Set C to be sold to breakeven No need to write down the $ sign or unit. No need to write down the thousand separator e.g. if your answer os $9,999, write down 9999 in the blank.