Advanced Computer Solutions, Inc. has two main services: (1) time on a timeshared computer system, and (2) proprietary computer programs. The operation department (Op) provides computer time and the programming department (P) writes programs The percentage of each service used by each department for a typical period is Supplied User Op P Op P 40% 30% Sold to customers 70% 60% In a typical period, the operation department (Op) spends $4.500 and the programming department (P) spends $2.500 Under the reciprocal method what is the algebraic solution to the cost allocation