Grassley Corporation allocates administrative costs on the basis of staff hours. Short-run monthly usage and anticipated long-run monthly usage of staff hours for Operating Departments 1 and 2 follow. If Grassley uses dual-cost accounting procedures and variable administrative costs total $200,000, the amount of variable administrative cost to allocate to Department 1 would be: Multiple Choice $85,000 None of the answers is correct. $80,000 $100,000. $90,000