In slaughterhouse/meatpacking plant operations, various types of byproducts can be recovered, such as animal skins (for tanning), blood (for protein feed), fat (for soap), hair (for brushes), pharmaceuticals (including pepsin, testosterone), etc. A company planning a new meatpacking facility is trying to determine which ones, if any, of the five independent byproduct operations shown below it should undertake. The company use a MARR of 18% per year because it has many investment options for its capital. Which operations should the company undertake? How many alternatives exist in total