Hope, Inc. has a standard variable overhead rate of $5 per machine hour, with each completed unit expected to take 3 machine hours to produce. A review of the company's accounting records found the following: Actual variable overhead: $240,000 Variable-overhead efficiency variance: $19,400U Variable-overhead spending variance: $31,400F How many units did Hope actually produce during the period? Multiple Choice O 15,520, O 15,880 o 16,800 O 17,160 O None of the answers correct