Heliotropic Inc. provides accounting services to firms. The company's total charges to customers include two rates: (a) direct labor hour and (b) support services which are charged at $85 per direct labor hour. Three levels of employees are normally assigned to each job;

(a) Partner at a rate of $600 per hour

(b) Senior at a rate of $280 per hour and

(c) Junior at a rate of $150 per hour

Heliotropic Inc. is about to prepare its monthly billing to two customers and shared the below information with you as regards hours utilized:

March Inc. - a total of 120 in the proportion of 1:2:9 being Partner, Senior and Junior respectively.

May Inc. - a total of 90 in the proportion of 1:6:8 being Partner, Senior and Junior respectively.

What is the total revenue of the firm for the period?