The supreme choice pizza at Maria's Pizza Palace contains 22 different meats and 44 different vegetables. The customer can select any one of 55 types of crust. If there are 44 meats and 77 vegetables to choose from, how many different supreme choice pizzas can be made?

answerembargo;

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.