An assembly operation at a software company now requires $250,000 per year in labor costs. A robot can be purchased and installed to automate the operation. The robot will cost $800,000, have an economic life of ten years, and have no residual value at the end of its life. Maintenance and operating expenses of $64,000 per year for the robot are estimated. MARR is 15%. Determine whether this is a viable project. Solve the problem by: (a) Present worth analysis (b) Annual cash flow analysis (c) Rate of return analysis