20 21 Advanced Computer Solutions, Inc. has two main services: (1) time on a timeshared computer system, and (2) proprietary computer programs. Computer time is provided by the operation department (Op) and programs are written by the programming department (P) 23 24 26 27 The percentage of each service used by each department for a typical period is: 29 30 Supplied User 32 33 40% 30% 70% 60% Sold to customers In a typical period, the operation department (Op) spends $4.500 and the programming department (P) spends $2,500. 35 36 Under the step method (Op first), what is the cost of the computer time and the computer programs for sale