You and three friends, Rolando, Chris, and Jazmin are attending college next Fall semester. You have each decided on a different amount of credit hours based on your work schedule. The number of credits each of you will be attempting in summarized in matrix , shown below. You have all researched the cost of four different schools: HCC, University of Houston, Sam Houston State, and UT San Antonio. The per credit cost at each of these universities is summarized in matrix S, also shown below.