If a man buys only Mountain Dew for 2 dollars per 20 oz complete the following chartQuantity of Dew Total Utility from Dew Marginal Utility Marginal Utility Per Dollar1 20 from the last dew of the last dew2 393 574 735 83Using the marginal utility equation I got the answers 20, 39, 57, 73, 83. I need the answers verified because I am not sure if I am calculating them right. And a detailed explaination of Utility per dollar of the last dew because I am not understanding how to do it at all.