1. Determine if the following cash flow is or isn't viable. Using IRR and ERR methods.

The MARR is 10 percent. Also determine the Paybacks years.

First Cost 35,000

Annual Expense,$20,000

Annual Income, $ 30,000

Economic Life in Years 5

a. IRR ?

b. ERR?

c. Number of years for Simple Payback

d. Number of years for Discount Payback

2. If you invest $5,123 in a venture, you will receive $1,110 per year for the next 20 years. Assuming 10% interest, What is the discounted payback period for your investment?

3. A new machine was bought for $9,000 with a life of six years and no salvage value. Its operating cost begins in year one in $7,000 and will increase by 5% every year. If the MARR =12% what is the annual equivalent cost of the machine?

Please answer all 3, thanks