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Cryolite uses a standard costing system to gauge results for their single product. 70,000 kilograms of direct materials were purchased for $385,000. Two kilograms of direct materials are needed to produce one unit of product. In March, the company produced 12,000 units. The standard cost allowed for direct material was $120,000, and there was an unfavourable direct materials efficiency variance of $2,500. Cryolite's standard cost for one kilogram of direct material is: Select one: O A. $5.00 O B. $6.00 O C. $10.00 O D. $12.00