Henrie's Drapery Service is investigating the purchase of a new machine for cleaning and blocking drapes. The machine would cost $$170,595,$ including freight and installation. Henrie's estimated the new machine would increase the company's cash inflows, net of expenses, by $$45,000$ per year. The machine would have a five$-$year useful life and no salvage value.

Click here to view Exhibit $14$B$-1$ and Exhibit $14$B$-2,$ to determine the appropriate discount factor$($s$)$ using table.

Required:

What is the machine's internal rate of return?

Note: Round your answer to the nearest whole percentage, i$.$e$.0\mathrm{.}123$ should be considered as $12\%.$

$2.$ Using a discount rate of $10\%,$ what is the machine's net present value? Interpret your results.

$3.$ Suppose the new machine would increase the company's annual cash inflows, net of expenses, by only $$40,500$ per year. Under these conditions, what is the internal rate of return?

Note: Round your answer to the nearest whole percentage, i$.$e$.0\mathrm{.}123$ should be considered as $12\%.$

$\backslash$table$[[1.$ Internal rate of return,$10,\%$