Green Forever, a manufacturer of lawn equipment, has preliminary drawings for two grass trimmer designs. Charla Fraley's job is to determine which is better environmentally. Specifically, she used the following data to help the company determine the following items. Now Green Forever's challenge is to determine which design alternative is the better environmental choice if it uses a different battery for the Premium Mate. The alternate battery revenue and costs are as follows. Click the icon to view the initial data for the two grass trimmer designs. Click the icon to view the revenue and costs data for the alternate battery for Premium Mate. a) What is the revenue retrieval for the GF Deluxe? The revenue retrieval for the GF Deluxe is $ (Round your response to two decimal places.) b) What is the revenue retrieval for the Premium Mate? The revenue retrieval for the Premium Mate is $ (Round your response to two decimal places.) c) Which is the better environmental design alternative? is the better design alternative based on revenue retrieval.