Q1) At a production level of 5,600 units a project has total costs of $89,000. The variable cost per unit is $11.20. What is the amount of the total fixed costs if the production level is increased to 6,100 units without increasing the total fixed assets?

Q2) Ralph and Emma's is considering a project with total sales of $17,500, total variable costs of $9,800, total fixed costs of $3,500, and estimated production of 400 units. The depreciation expense is $2,400 a year. What is the contribution margin per unit?