A factory has installed a new process that will produce
anincreased rate of revenue (in thousands of dollars) of
R(t) = 104-.4e t/2
where t is time measured in years. The new process
producesadditonal costs at the rate of
C(t)= .3e t/2
a) to maximize this additional profit, how long should the
newprocess be used?
b) find the additional profit during this period.