Boysenberry Inc. manufactures specialized equipment to be used in motor bikes. The actual variable overhead for the month of January was $14,100. The standard hours allowed for production were 1,400 hours, and the standard variable overhead rate was $8 per hour. Determine the total variable overhead variance of Boysenberry for the month of January O a. $3,525 Unfavorable O b. $2,900 Unfavorable O c. $3,825 Favorable O d. $2,400 Favorable