Total cost in the painting department of a toy factory varies not ofly with the number of toys painted but also with the size of the toys, the types of surfaces painted, the kinds of paint applied, and so on. Painting costs $15 per gallon. To set up the painting machines to paint a part costs $500, which includes cleaning out the old color. Using the paint machine for one-hour costs $70, which also includes the labor to operate it. A particular part with 4,200 pieces in the batch requires 10 gallons of paint and eight hours of paint machine time Required: Calculate the total cost of painting this batch