medical devices$),$ physician surgical time, and operating room overhead. On January $1$ of the current year, the annual operating room overhead is estimated to be:

will be shut down two weeks per year for general repairs.

This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis, and input your answers in the questions below.

Open spreadsheet

a$.$ Determine the predetermined operating room overhead rate for the year.

$

$x$ per hour

b$.$ Ebony Jones had a six$-$hour procedure on January $22.$ How much operating room overhead would be charged to her procedure, using the rate determined in part $($a$)?$

$