A donor agency ensures milk is supplied in containers, which are in the form of a frustum of a cone to be distributed to flood victims in a camp. The height of each frustum is 30 cm and the radii of whose lower and upper circular ends are 20 cm and 40 cm respectively. If this milk is available at the rate of Rs.35 per litre and 880 litres of milk is needed daily for a camp.
(a) Find how many milk containers are needed daily for the camp.
(b) What daily cost will it put on the donor agency?
(c) What value of the donor agency is depicted in this situation?
