You have been given the following information about the production of Nancy Co., and are asked to provide the plant manager with information for a meeting with the vice president of operations. Standard Cost Card Direct materials (5 pounds at $5 per pound) $25.00 Direct labor (0.9 hours at $10) 9.00 Variable overhead (0.9 hours at $4 per hour) 3.60 Fixed overhead (0.9 hours at $9 per hour) 8.10 $45.70 The following is a variance report for the most recent period of operations. Variances Costs Total Standard Cost Price Quantity Direct materials $405.000 $8,298 F $9,900 U Direct labor 145.800 4.590 U 7.200 U (a) How many units were produced during the period?