im struggling with this

Problems Problem 23-1. In a belt-tightening measure, the Sandalwood Company is taking a close look at its four divisions with an eye toward closing any unprofitable ones. Costs incurred at the corporate headquarters level have been distributed to each division in proportion to sales revenue. All costs incurred by each division except the allocated corporate headquarters costs are considered to be avoidable if a division is shut down. The corporate headquarters costs amount to $975,000. The following data represent the semiannual results: Required: a. Based on the above information, what recommendations would you make concerning possible division closings? Show all calculations. b. Since the above data represent semiannual information, what other variables should be included in the decision to close down a division