An apparel manufacturing plant has estimated the variable cost to be $21 per unit. Fixed costs are $1M per year. Forty percent of its business is with one preferred customer and the customer is charged at cost. The remaining 60% of the business is with several different customers and they are charged at $35 per unit. Find (a) the breakeven volume for this job shop. (b) the unit cost if 100,000 units are made per year. (c) the annual profit for this quantity.