KINDLY ANSWER LETTERS B AND G. PLEASE

4. (7 points) Tracksaws, Inc. makes tractors and lawn mowers. The firm makes a profit of $30 on each tractor and $30 on each lawn mower, and they sell all they can produce. The time requirements in the machine shop, fabrication, and tractor assembly are given in the table. Tractor Lawn Mower Hrs. Available Machine Shop 2 hours 1 hour 60 hours Fabrication 2 hours 3 hours 120 hours Assembly 1 hour O hour 45 hours Formulation: Let x = number of tractors produced per period y = number of lawn mowers produced per period MAX 30x + 30y subject to 2x + y