6- The Carey Company sold 100000 units of its product at $20 per unit. Variable costs are $14 per unit (manufacturing costs of $11 and selling expenses of $3). Fixed costs are incurred uniformly throughout ( ) 79200$ the year and amount to $ manufacturing costs of $500000 and selling expenses of ($292000 Calculate the following @ the break - even point in units and in dollars. (b) The number of units that must be sold to earn an income of $60000 before income tax. After - tax (c) the number of units that must be sold to earn an after - tax income of $90000 if t income tax rate is 40%, and (d) the number of units required to break even if the variable costs decrease 20% and if fixed costs is a 10% increase