Hagel Clinic uses client$-$visits as its measure of activity. During July, the clinic budgeted for $2,300$ client$-$visits, but its actual level of activity was $2,320$ client$-$visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for July:

Data used in budgeting:

$\backslash$table$[[,\backslash$table$[[$Fixed element$],[$per month$]],\backslash$table$[[$Variable$],[$element per$],[$client$-$visit$]]],[$Revenue$,-,$$$44\mathrm{.}60$