please show work as well

Zippy Quadcopters plans to sell a standard quadcopter (toy drone) for $65 and a deluxe quadcopter for $95. Zippy purchases the standard quadcopter for $45 and the deluxe quadcopter for $65. Management expects to sell two deluxe quadcopters for every three standard quadcopters. The company's monthly fixed expenses are $24,000. How many of each type of quadcopter must Zippy sell monthly to breakeven? To earn $15,600? First identify the formula to compute the sales in units at various levels of operating income using the contribution margin approach. (Abbreviations used: Avg. = average, and CM = contribution margin.) Operating income Fixed expenses ) = Weighed-avg. CM per unit Breakeven sales in units + Next compute the weighted average contribution margin per unit. First identify the formula labels, then complete the calculations step by step. Sale price per unit Deduct: Variable expense per unit Sales mix in units Weighted average contribution margin per unit Choose from any drop-down list and then click Check Answer. ? parts Clear All Check Answer remaining