3. The firm's total revenue is equal to a. $14
b. $20
c. $560
d. $750
e. $1,000
4. The firm's total cost is equal to
a. $14
b. $20
c. $560
d. $750
e. $1,000

5. The firm is earning a
Profit equal to $$
b. Profit equal to $250
c. Profit equal to $15
d. Profit equal to $750
Profit equal to $250

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

sounds good to me mate!

answer; decoy;