please write full solution not just final answer. thank you

Al Madina Metal Works Company produces a window steel protector that is sold at KD65 and have variable costs of KD35 per meter. The company is considering purchasing a new production line that would require new fixed costs of KD 60,000 with an estimated sales capacity of 2,400 meters per year.

a. Find the value of demand that would maximize TR.

b. What is the associated maximum TR per year for the value found in part (a).

c. Find TR per year if the company sold tables at its capacity.

d. Find TR per year if the company sold tables at 30% of its capacity.

e. Find the breakeven point.

f. Find the associated profit at the breakeven point.

g. Find the average unit cost at sale's capacity.