PLEASE I NEED HELP! Write the answers in essay format with six hundred or more words.

PLEASE I NEED HELP!

Write the answers in essay format with six hundred or more words.

1) Define the hedonistic calculus, identify the author of the idea, and illustrate the use of the calculus with an example. 

2) Explain an advantage and a problem with the calculus.

3) Explain the "problem of sheer numbers" and illustrate it with an example. Why is this an argument against Bentham's utilitarianism?

Please I need help, Thank You!!! I Upload a document of the book of chapter 5 for help in my profile name: