A demand function for certain products is q= 300p+ 10,000. the fixed expenses are $500,000 and the variable expenses are 2$ per item product. a. express the expense functions of term of q

b. if the price is set at 20, what quantity will be demanded.

c. if q= 1000 widgets, find E, the cost (expense) of producing them

d. Use substitution to the expense function in terms of p

e. if the price is set at p= $15, how much will it cost to produce the correct number of widgets.