$1.$ Calculate the payback period for each product.

$2.$ Calculate the net present value for each product.

$3.$ Calculate the internal rate of return for each product.

$4.$ Calculate the profitability index for each product.

$5.$ Calculate the simple rate of return for each product.

$6$a$.$ For each measure, identify whether Product A or Product B is preferred.

$6$b$.$ Based on the simple rate of return, which of the two products should Lou$$s division accept?