A machine has a working life of 5 years, and will cost $30,000 to purchase. Draw the cash flow diagram. The machine described in problem 1. will have annual operating and maintenance costs of $2000 per year. Draw the cash flow diagram for these costs. The machine described in problem 1. will save $10,000 per year in labor costs. Draw the cash flow diagram for these savings. At the end of its useful life, the machine will have a salvage value of $7,000. Draw the cash flow diagram representing the salvage value. Combine the information in the above 1. -4. into a single cash flow diagram. Draw the cash flow diagram for annual routine car maintenance for 10 years if the maintenance is $1000 per year. Draw the cash flow diagram for annual routine car maintenance for 10 years if the maintenance is $1000 in year 1, and increases by $100 per year thereafter. Draw the cash flow diagram for annual routine car maintenance for 10 years if the maintenance is $1000 in year 1, and increases by 10% per year thereafter