Answer these questions on the basis of the information given below.

A newspaper vendor picks up copies of various newspapers from a center and distributes them to his customers as per their subscription. Subscription means that the customer will receive a copy of that news  paper on all days throughout the month. On the last day of each month, he prepares the bill for each customer for that month and collects the payment on the 1* day of the next month. The details of various newspapers along with their retail price per copy on weekdays (Mon-Sun) are shown below. The customers are given bills according to the retail price of the copy of the newspaper they have subscribed to.