Please Help me with all 3 questions please. I really need these. I promise I will give a thumbs up

Break-Even Analysis

Jesaki Publishing is planning for a new novel, and figures fixed costs (overhead, advances, promotion, copy editing, typesetting) at $65,000, and variable costs (printing, paper, binding, shipping) at $1.60 for each book produced. The book will be sold to distributors for $12 each.

Answer the following questions about this venture.

1) Let x be the number of books sold to distributors. The revenue function is R(x)=kx, for some value k, where R(x) is given in dollars.

Find k. Round to the nearest tenth (1 decimal place). _____________________________

2) Let x be the number of books produced. The cost function is C(x)=mx+b,

What is m? Round to the nearest tenth _________________________________

What is b? Round to the nearest tenth (1 decimal place). _________________

3) How many books must be produced and sold for Jesaki Publishing to break even? Round to the nearest book. ____________________________