A project has an initial cost of $55,700, expected net cash inflows of $9,000 per year for 8 years, and a cost of capital of 12%. What is the project's PI? Do not round your intermediate calculations. Round your answer to two decimal places.

1. avoid them

2. a talk with them

3. ask someone you trust

4. ignore

5. call police

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.