Show work please

A company invested $150,000 in a new machine expecting the following schedule returns on their investment. $15,000 at the end of year 1 and increasing by $2000 starting year 2 through year 10.Startingyear 11 through 15, the returns drop to $10,000 per year. Maintenance costs are estimated at $1000 per year for the first 10 years, and $500.00 per year for years 11 through 15.The salvage value of the machine is $7500. Draw a cash flow for this project. If the interest rate per year is 8%, what is the present worth of this investment? Is it a good investment? If the interest rate per year is 8%, compounded every six month, formulate (Do NOT SOLVE) the annual worth (AWi)