Several important assumptions underline the Cost-Volume-Profit analysis. These types of assumptions often help focus your analysis of sales and costs. A common application of Cost-Volume-Profit analysis is a tool to forecast sales, costs, and income. Assume that you are actively searching for a job. Write (i. e. discuss) about several assumptions you will personally make relating to your personal expected revenue (i. e. salary) and also write (i. e. discuss) about several assumptions you will personally make relating to your personal expected costs for the first year of your new job.