b) The following outcomes were noted for Juniper Lid using a standard costing and variance analysis system, Adverse Favourable Variances 3 500 Material Price Material Usage Wage Rate Labour Efficiency 8 300 44 000 52 000 Material price variance - adverse Material usage variance-favourable Wage rate variance favourable Labour efficiency variance- adverse Juniper operates a standard costing system. Assess the performance of the Production Manager using the figures above and identify and critically evaluate the possible causes of the variances noted above for Juniper Ltd. You can make assumptions on the businesses operations in explaining possible causes