You do not have to actually perform the calculations. What analyses would use perform to answer the following:1.An estimate of sales lost for our department store had there been no storm.2.An estimate of countywide department store sales had there been no storm.3.Based on results from (1) and (2) above, a case for or against excess storm-related sales. Limit you answer to two (2) typewritten pages, double-spaced. Your answer will be graded using the rubric that accompanies this exercise