a) Define the objection function and subject to constraints. b) Solve graphically. c) Respond to any specifically asked questions in problem statement.

... B.21 Andy's Bicycle Company (ABC) has the hottest new product on the upscale toy market-boys' and girls' bikes in bright fashion colors, with oversize hubs and axles; shell design safety tires; strong padded frames; chrome-plated chains, brackets, and valves; and non-slip handlebars. Due to the seller's market for high-quality toys for the newest baby boomers, ABC can sell all the bicycles it manufactures at the following prices: boys' bikes, $220; girls' bikes, $175. This is the price payable to ABC at its Orlando plant. The firm's accountant, V. R. Dondeti, has determined that direct labor costs will be 45% of the price that ABC receives for the boys' model and 40% of the price received for the girls' model. Production costs, other than labor but excluding painting and packaging, are $44 per boys' bicycle and $30 per girls' bicycle. Painting and packaging are $20 per bike, regardless of model. The Orlando plant's overall production capacity is 390 bicycles per day. Each boys' bike requires 2.5 labor-hours, each girls' model 2.4 labor-hours. ABC currently employs 120 workers, each of whom puts in an 8-hour day. The firm has no desire to hire or fire to affect labor availability, for it believes its stable workforce is one of its biggest assets