Crate Express Co. produces wooden crates used for shipping products by ocean liner. In 2017 Crate Express incurred the following costs Wood used in crate production Nails (considered insignificant and a variable expense) Direct labor Utilities for the plant: $58,000 $490 $41,200 $1,300 each month, plus $0.50 for each kilowatt-hour used each month Rent expense for the plant for the year $24,800 Assume Crate Express used an average 800 kilowatt-hours each month over the past year. (o) wnst is Crale Exieing costing aproch Total manufacturing costs Total manufacturing costs