I just need help with 1a, thanks!!

Average Rate of Return Method, Net Present Value Method, and Analysis for a service company The capital investment committee of Arches Landscaping Company is considering two capital investments. The estimated operating income and net cash flows from each investment are as follows: Each project requires an investment of $560,000. Straight-line depreciotion will be used, and no residual value is expected. The committee has selected a rate of 10% for purposes of the net present value analysis. 1a. Compute the averege rate of refurn for each investment. If required, round vour answer to one decimal place. 1b. Compute the net present value for each investment, Use the present value of $1 table above. If required, round to the nearest dollar. If required, use the minus sigh to indicate a negative net present value