Market Assessment A truck rental agency has fixed costs of $9 per truck per day and the revenue for each truck rented is $25 per day. The daily demand is given in the table:Number of Customers78910Probability0.20.20.20.1And there are one more column in Number of customers 11 Probability 0.4 I could not type it there (a) Find the expected number of customers. Round your answer to the nearest integer.(b) Determine the optimal number of trucks the company should have on hand each day. Give an exact answer.(c) What is the expected revenue in this case? Give an exact answer.