A manager has determined the cost C, in dollars, for manufacturing is
C(q) =85log10(10+q/2)
for manufacturing, where q is the number of units produced in a given day.
(a) What is the cost of manufacturing before any units are produced?
(b) What is the cost of manufacturing if 1980 units are produced in a given day?
(c) How many units would be produced if the cost of manufacturing is $150 in a given day?