(a) A monument needs to be maintained. Cleaning Costs per year are 10,000. Every five years a refurbish occurs for 100,000. Every 10 years an upgrade occurs for 60,000. The interest rate is 6%. This goes on forever. What is the capitalized cost (PW)? (b) The initial cost of a machine is 100,000. The Salvage value of the Machine after 12 years is 20,000. The Salvage value decreases linearly. What is the Salvage Value after 8 years