You have decided to look into an investment opportunit with a series of cash flows associated with. The offer is that you will receive $$10,000$ a year for the first $7$ years and then another $$15,000$ a year for years $8-10.$ In addition, in the final year $($year $10),$ you'll get another $$20,000.$ How much would you be willing to pay for this invesment opportunity if your expected rate of return is $7\mathrm{.}25\%$ per annum.