Cost Formula Princeton Manufacturing Company summarizes the following total cost data for the month of March. Princeton has a normal capacity per month of 25,000 units of product that sell for $40 each. For the foreseeable future, sales volume should equal normal capacity of production Direct material Direct labor Variable overhead Fixed overhead (Note 1) Selling expense (Note 2) Administrative expense (fixed) $295,000 165,000 85,000 140,000 80,000 56,000 $821,000 Notes: 1. Beyond normal capacity, fixed overhead cost increases $6,350 for each 1,000 units or fraction thereof until a maximum capacity of 30,000 units is reached. 2. Selling expenses are a 5% sales commission plus shipping costs of $1.20 per unit. a. Using the information available, prepare a formula to estimate Princeton's total cost at various production volumes up to normal capacity