A firm is producing producing poultry feeds find that total cost C(x) in dollars producing and selling x units is given by: C(x) 20x+100

Management plan to charge $24 per unit for the feed

a) How many units must be sold for the firm to break even

b) For what values of x will a lose occur?A Profit?

c) What is the profit units of feed are sold?

D) How many units must be sold to produce a profit of $900?

IF possible can you show me how you get the answers thank you