White & Co$.$ provides IT support services for small businesses located in the Calgary area. The accountant has performed an analysis

of costs for the last month.

The cost formula estimated by the accountant is Total cost $=$$$116,075+$$$7\mathrm{.}28x,$ where $x$ is the number of billable customer support

hours per month. The total cost in the month the accountant did the work was $$193,243.$

Required:

Use the information provided to complete the table.

How many billable hours were used in the month when the analysis was performed?

Total billable hours used in the month

$10,600$