The chief engineer at Clean Water Engineering has established a capital investment limit of $710,000 for next year for projects related to concentrate management. (a) Select any or all of the following independent projects, using a MARR of 10% per year. (b) Use a spreadsheet to determine the minimum annual NCF necessary to select any of the other viable bundles besides the one selected in part (a). Initial Annual Life, Salvage Project Investment, $ NCF, S/Year Years Value, $ A-140,000 50,000 4 45,000 B-300,000 90,000 4 -10,000 C-590,000 150,000 6 100,000