Dave Company's standard and actual costs per unit for the most recent period, are given below: The number of units that were actually produced during the period = 380 18 There were no inventory of materials at the beginning or end of the period. 19 Actual results are given above on a per unit basis as well as below on a total basis: Required: 27 From the above information, calculate the following variances. Show whether the variance is favourable (F) or 28 unfavourable (U): a) Direct materials price variance. b) Direct materials quantity variance. c) Direct labour rate variance. d) Direct labour efficiency variance. e) Variable overhead spending variance. f) Variable overhead efficiency variance