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The broad estimate for a do-it-yourself alcohol and drug test cost is anywhere between $10 and $50. The actual cost will depend on the retail price of the particular equipment and its narcotic substance scope. Case in point: a marijuana urine test may cost around $10 from Walgreens. The urine test price for screening more than one illegal drug at home is relatively higher. A particular example is a $38 urine test sold at Drugstore.com. As for hand-held breathalyzers for screening alcohol content, the price range is anywhere around $35 to $100. Lab Urine & Saliva
The reagent cost for a single assay is $0.95. Assuming that there are no repeats, consumable costs, etc, what is the cost per test when running a batch of 5 billable tests? What is the cost per test for a batch of 50 billable tests? A. $2.66 and $26.60 B. $5.32 and $0.53 C. $5.32 and $2.24 D. $26.60 and $112.10 13.