Calculate the volume of the figure . Use 3.14

Enter your answer as the number of m3,

rounded yo the nearest hindered if necessary, like this: 42,53

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )