Martinez company's relevant range of production is 7,700 units to 12,700 units when it produces and sells 10,200 units its unit costs are as follows: Direct Materials 6.30 Direct Labor 3.80 Variable Manufacture Overhead 1.50 Fixed Manufacture Overhead 4.30 Fixed Selling Expense 3.30 Fixed Administration Expense 2.00 Sales Commissions 1.00 Variable Administration expenses 0.50 If 8,200 units are sold what is the total amount of variable costs related to the units sold?