Problem 2-26BEstimating fixed and variable costsDang Legal Services provides legal advice to clients. The following data apply to the first six months of operation:MonthJan. Feb. Mar. Apr. May JuneService hours 80 100 140 180 200 220Revenue $8000 $10000 $14000 $18000 $20000 $22000Operating costs 7400 8200 9660 10600 10900 11600RequiredWhat is the average service revenue per hour for the six-month time period?