Q4. Due to some floods some welfare associations jointly requested the government to get 100 tents fixed immediately and offered to contribute 50% of the cost. If the lower part of each tent is of the form of a cylinder of a diameter 4.2 m and height 4m with the conical upper part of some diameter but of height 2.8 m ,and the canvas to be used costs R. 100 per square meter ,Find the amount the associations will have to pay. What values are shown by these associations?