calculate the cost$-$per$-$test using the following data for a potassium assay test: $($Consumable supplies are shared among other assays performed on the same analyzer$).$

Total tests per month

$35,000$

Potassium tests per month

$3,500$

Runs per month

$30$

Tests per run

$55$

Test repeats

$5$

Patient dilutions

$8$

Controls per run

$2$

Control repeats

$2$

Failed runs per month

$3$

Calibrators $($per $6$ months$)$

$12$

Reagent cost per month

$$180$

Control cost per month

$$40$

Calibrator cost per month

$$40$

Cuvettes per month

$2,500$

Cost per$-$cuvettes

$$0\mathrm{.}05$

MLS Compensation per hour

$$24\mathrm{.}00$

MLS time per run in minutes

$20$

Fixed overhead cost per month

$$500$