Zango Limited is a cleaning company and they have provided the information on cost of cleaning bases on the are For 1,275 sq. meters, GHS 7,395.00 is charged per month and for 1,510 sq. meters, GHS 8,358.50 is charged per month. Using the high-low method, what is the estimated charge cost per month for cleaning a space measuring 1.620 sq. meters. a. GHS 9,809,50 b. GHS 9,396,00 c. GHS 8,809,50 d. GHS 8.967.40