Open Exp19_Excel_Ch09_Cap_HouseInput.xlsx. Arrange the two open workbooks vertically to display both workbooks at the same time. Display the Exp_Excel_Ch09_Cap_HouseCleaners workbook and group the four weekly worksheets. In cell B5, multiply the Total Hours that is stored in cell B4 by the Customer Cost per Hour that is stored in cell B3 in the Exp_Excel_Ch09_CapHouseInput workbook.