Stuart Computer Services, Incorporated, has been in business for six months. The following are basic operating data for that period:

Month

July August September October November December

Service hours $118140260428320332$

Revenue $ $6,490$ $ $7,700$ $ $14,300$ $ $23,540$ $ $17,600$ $ $18,260$

Operating costs $ $4,230$ $ $5,200$ $ $7,190$ $ $11,190$ $ $9,150$ $ $10,550$

Required

What is the average service revenue per hour in each month and the overall average for the six$-$month period?