1. (24 Points) Retro iPhone Covers LLC manufactured and sold 1,000 iPhone covers during March. March was their first month of operation and all of the covers were sold, so there was no beginning or ending inventory. Sales $110,000 $31,000 Direct materials used Direct labor $16,000 Variable Mfg. Overhead $13,000 Fixed Mfg. Overhead $11,000 $X $Y Variable selling and administrative expenses Fixed selling and administrative expenses Contribution margin Operating income $40,000 $22.000 For (d-f), assume that the fixed selling and administrative expenses for March were $4,000. d) What was the break-even point for units in March? e) How many units must be sold to earn a target operating income of $14,000? f) What would the selling price per unit have to be if the company wanted to earn an operating income of $22,500 on the sale of 900 units?