Operating income for profit center

The centralized Data Analytics Department of Drewlink Company has expenses of $$340,000.$ The department has provided a total of $8,000$ hours of service for the The Retail Division has used $2,000$ hours of data analytics service during the period, and the Commercial Division has used $6,000$ hours of data analytics service. Additional data for the two divisions is following below:

$\backslash$table$[[,$Retail Division,Commercial Division$],[$Sales$,$$$2,550,000,$$$1,700,000$

Include $-$ for negative numbers!