Answer:
Explanation: when the total number of customers *increases*, in order to serve the increased number of customers, it needs to be done *faster* in order not to keep other customers waiting for too long. And also this increased customer patronage would increase as well, the number of cars driving through the drive way
Solution :
Number of days = 90 days
Amount invested = $45 million
So the current earnings is 
The number of days is reduced to 50 days. So we can now make the same amount in just 50 days.
So the net increase is what we will make in the remaining
days.
If in 50 days, we earn 0.075 return, then we can consider 50 days as
Then the
days =
return, and
days = 

=
million increase
= $ 5.7 million