Polka King Gifts had the following costs in March when 400 ceramic statues were produced: materials, $4,200; hourly labor, $1,600; depreciation, $800; rent, $700; and other fixed costs, $500. If the production level changes to 500 units, how much will the total costs be? A. The fixed cost per unit is $3.75.B. The variable cost per unit is $14.50.C. The fixed cost per unit is $19.50.D. The total cost per unit is $14.50.E. None of these answer choices is correct.