Plaza Place Company produces bowling ball pin sets and has the following expected costs There are 1,200 sets expected to be sold at an average selling price of $25 per set in July Each set is expected to use 5.6kg of direct materials at a standard cost of $4.25 per kg Direct labour is expected to consist of 1.2 hours per set at a standard cost of $18 per hour Variable overhead is expected to consist of 3.2 machine hours at a rate of $7 per hour What is the expected total standard cost per unit? During the year, 1,100 sets were produced/sold at the standard price with the following results: 6000kg of materials were used at a total cost of $26,400 1200 labour hours were used at a cost of $22,600 3600 machine hours were used at a total cost of $29,700 Calculate the following ratios: 10.1 Materials Price Variance 10.2 Materials Quantity Variance 10.3 Labour Rate Variance 10.4 Labour Efficiency Variance 10.5 Variable Overhead Spending Variance 10.6 Variable Overhead Efficiency Variance.