The sales manager at a certain company is trying to decide how much of the budget to allocate forsal

The sales manager at a certain company is trying to decide how much of the budget to allocate forsales personnel for the upcoming year. Typically, sales costs run about 15% of Sales. To help develop anestimate, the sales manager studies sales (in millions $) during the past 2 years at company X, which aregiven in the table below.Month SalesJanuary 390February 205March 270April 245May 320June 290July 299August 345September 326October 355November 359December 371January 368February 358March 345April 380May 391June 403July 410August 430September 410October 415November 310December 450a) Use SPSS to display histogram for sales. Use class widths of 25 and begin with 225. The classendpoints should be 225, 250, 275, …, 450.b) show a time plot for this data. The horizontal axis should indicate the month.