Carter Manufacturing Company manufactures exclusive pens which sell for $66 per unit. Its unit variable costs are $40 and fixed expenses are $387,000. The company pays income tax at the rate of 50% Required: 1. How many units must Corter sell to earn an after tax income of $23,600? Unit 2. Re-compute the sales level to earn the above-mentioned after tax income of the tax rate changes to 40% Sales level required units)