Consider a firm that operates a cannery. All fish brought in by a fleet of fishing boats are processed at the cannery. The firm also has a freezer of unlimited size that stores unprocessed fish. Assume that the freezer is empty in the beginning of the year. There are three seasons. The fleet yields 4800 tons/month during the first third of the year, 6400 tons/month during the middle third, and only 800 tons/month during the final third. The cannery's processing capacity equals 4000 tons/month. Part a: What is the inventory level at the end of January? Please give your answer in tons. Part b: What is the inventory level at the end of February? Please give your answer in tons. Part c: What is the inventory level at the end of May? Please give your answer in tons. Part d: What is the inventory level at the end of August? Please give your answer in tons. Part e: What is the inventory level the end f September? Please give your answer in tons. Part f: What is the inventory level at the end of December? Please give your answer in tons.