a. Write a C# program named ProjectedSales that includes a namedconstant representing next year’s anticipated 10 percent increasein sales for each division of a company. (You can represent 10percent as 0.10). Also declare variables to represent this year’ssales totals in dollars for the North and South divisions. Assignappropriate values to the variables—for example, 4000 and 5500.Compute and display, with explanatory text, next year’s projectedsales for each division.
b. Convert the ProjectedSales class to an interactiveapplication named ProjectedSalesInteractive. Instead of assigningvalues to the North and South sales variables, accept them from theuser as input.