Cullumber Manufacturing Inc. has the following cost and production data for the month of April. The beginning inventory was 60% complete for conversion costs. The ending inventory was 40% complete for conversion costs. Materials are added at the beginning of the process Costs pertaining to the month of April are as follows: (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (c) The parts of this question must be completed in order. This part will be available when you complete the part above