;) Computerized Bookkeeping System and NPV Analysis. Zeta Corporation is contemplating purchase of a minicomputer in order to reduce the cost of its data processing operatic Currently, the manual bookkeeping system in use involves the following annual cash expen Salaries $84,000 Payroll taxes and fringe benefits 24,000 Forms and supplies 6,000 $114.000 The present equipment is fully depreciated and has no salvage value. The cost of computer, including installation and software, is $100,000. This entire amount is deprecia for income tax purposes on a double declining basis at the rate of 201 percent per annum Annual costs of the computerized bookkeeping system are estimated and given below Salaries $40,000 Payroll taxes and fringe benefits 8,000 Forms and supplies 6,000 $54,000 293.The computer is expected to be obsolete in 3 years, at which time its salvage value $10,000. (a) Compute after-tax-cash savings. Assume a 40 percent tax rate. (b) Decide whether not to purchase the computer, using the NPV method. Assume a cost of capital of 10p: after taxes