+ Required information [The following information applies to the questions displayed below.] Phillips Company manufactures air-conditioning units for commercial buildings and has noticed considerable variation in shipping expenses from month to month as per the data below: Total Units Shipping Month Shipped Expense January 4 $2,360 February 4 $3,260 March S $2,800 April $1,314 May June July 3 $2,310 6 $3,240 $4,704 12. By how much would operating income decrease in August if Phillips decides to offer its customers a 5% price discount on the seven units? Operating income decrease by