Diamond Company produces a single product. The company has set the following standards for materials and labor: Standard quantity or hours per unit Standard price or rate materials.... pounds per unit S Direct labo 3.0 hours per unit S10 per hour During the past month, the company purchased 7,000 pounds of direct materials at a cost of $17,500. All of this material was used in the production of 1,300 units of product. Direct labor cost totaled $36,750 for the month The following variances have been computed: Materials quantity variance. $1,375 U $375 F Labor efficiency variance$4,000 F Compute the actual direct labor cost per hour for the month