Taipan corporation stablished standards as follows: Direct materials: 3 kg @ $4/kg = $12 per unit Direct labour: 2 hours @ $16 per hour = $32 per unit Variable mfg overhead: 2 hours @ $5 per hour = $10 per unit Actual production figures for the past year are given below. The company records the materials price variance when materials are purchased.

Units Produced	600
Direct Material Used	2,000
Direct material purchased (3,000 kg)	$11,400
Direct labour cost (1,100 hrs)	$20,240
Variable MOH cost incurrecc	$5,720

a. what was the materials price variance for July. ensure you indicate whether the variance is favourable or unfavourable.

b. what was the materials quantity variance for July. ensure you indicate whether the variance is favourable or unfavourable.

c. what was the labour rate variance for July. ensure you indicate whether the variance is favourable or unfavourable.

d. what was the labour efficiency variance for July. ensure you indicate whether the variance is favourable or unfavourable.

e. taipan also produces its popular m17 product at this plant. for the past three months the m17 product has generated a favourtable material rate variance combined with an unfavourable materials quantity variance. what circumstances could lead to this situation