I need help on C, D, and E.

4. Assume there is a two person economy, where they have only coffee and nuts. Susan can pick 4 pounds of coffee in an hour or gather 2 pounds of nuts. Tom can pick 2 pounds of co'ee in an hour or gather 4 pounds of nuts. Each works 6 hours per day. a. What is the maximum pounds of coffee that the two can pick each day? 1). What is the maximum pounds of nuts that the two can gather each day? c. Draw their individual and group production possibith curves {assuming constant marginal returns). d. What is one combination that would he considered an inefficient level of production in this economy. e. What is one combination that would he considered an unattainable level of production in this economy