The controller at Wesson Company's manufacturing plant has provided you with the following information for the first quarter's operations: Required: a. Prepare a gross margin income statement. b. Prepare a contribution margin income statement. Complete this question by entering your answers in the tabs below. Prepare a gross margin income statement. The controller at Wesson Company's manufacturing plant has provided you with the following information for the first quarter's operations: Required: a. Prepare a gross margin income statement. b. Prepare a contribution margin income statement. Complete this question by entering your answers in the tabs below. Prepare a contribution margin income statement