please answer in an excel spreadsheet (with explained functions). thank you!

20. Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand is $50.00. Her best guess is that she can sell 300 cups per week at $0.50 per cup. The variable cost of producing a cup of lemonade is $0.20. a. Given her other assumptions, what level of sales volume will enable Julie to break even? b. Given her other assumptions, discuss how a change in sales volume affects profit. c. Given her other assumptions, discuss how a change in sales volume and variable cost jointly affect profit. Problem 2.20 a, b, c (p. 61) Inputs Fixed cost Quantity sold Unit price Unit cost Total Cost Total Revenue Profit Part(a): Part (b): Use a one-way data table Quantity sold Profit 100 150 200 250 300 350 400 4501 500 BUSA 3315 | Spreadsheet Modeling with Business Applications Page 1 of 2 Part(): Use a two-way data table (Unit Costs in the first row and Quantity Sold in the first column) S0.101 S0.15 $0.20 S0.25 S0.30 S0.35 S0.40 S0.45 100 150 200 2501 1001 350 4001 4501 500