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 $2,200 February $3, 100 March $2, 600 April $1, 290 OOO WNUID May $2, 190 June $3, 000 July $4,320 4. What is the cost formula for shipping expenses? Y = + XRequired information [The following information applies to the questions displayed below. ] Phillips Company manufactures airconditioning 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 $2,200 February 4 $3, 100 March 5 $2, 600 April 2 $1, 290 May 3 $2, 190 June 6 $3, 000 July 8 $4, 320 5. If seven air conditioners are shipped in August, estimate the total shipping expenses