Illustrate total utility and marginal utility. Explain what happens to marginal utility as total utility increases. Explain what happens to total utility when marginal utility is negative. Hana Coffee Company roasts and packs coffee beans. The process begins by placing coffce beans into the Roasting Department. From the Roastir following is a partial work in process account of the Roasting Department at July 31: 1. Prepare a cost of production report, and identily the missing amounts for Work in Process-hoasting Department. If an amount is zero, enter "o".