As a business owner you have decided that you need a new truck. Through investigation you have found a used vehicle which will meet your requirements and cost you $10,000. By purchasing this truck you estimate that you will lower your current repair and fuel bills and that you will increase your income. You estimate that in the 1st year you will save/earn $3000; in the 2nd year, $3500; and in the 3rd year, $5000. What is the present value of this income stream? (assume i = 12 %)