H) Assuming that the company is interested in maximizing the total profit contribution, answer the fallowing: zero, enter " 0 ", Let R=number of units of regular madel. r. numhor it iunite of ratrhor's moital (b) Develop a spreadsheet model and find the optimal solution using Solver. How many glawes of cach medel should Kelsan manufacture? Regular Model =units Catcher's Model = units (c) What is the total profit contribution Kelson ean esm with the given pecduction quantitics? (d) How many hours of production time will be scheduled in eech department? (e) What is the slack time in each department? If your answer is zero, enter "D".