A company which rents small moving trucks wishes to the inventory of 40 trucks (40 trucks will give you equation.) with the combined capacity of 42,000 cubic feet. Three different kinds of trucks are available: a 10-foot truck with the capacity of 350 cubic feet, 14-foot truck with the capacity of 700 cubic feet, and 24-foot truck with the capacity of 1,400 cubic feet. How many of each kind of truck must company buy? Give row reduced matrix and write the sentence interpreting meaning. Write purchasing options for company.