Acompany’s manager estimated that the cost c, in dollars, of producing n items is c = 7 n + 350. the company sells each item for $12. the company makes a profit when total income from selling a quantity of items is greater than the total cost of producing that quantity of items. which of the following inequalities gives all possible values of n for which the manager estimates that the company will make a profit?
a. n < 70
b. n < 84
c. n > 70
d. n > 84