A company produced 4,500 units of a product using 6,150 direct labor hours at a pay rate of $17.20 per hour. The direct labor standard for this product is 1.50 direct labor hours for every unit at an hourly rate of $18 per hour Calculate (a) the labor rate variance and (b) the labor efficiency variance. Explain what each variance means for the company. (Show and label all calculations) Our company has 4 divisions: North, South, East and West. The company executives are concerned about the North division's performance. The following information is available for the month of June: Sales $3,350 Variable production costs $1,005 Variable selling expenses $335 Fixed direct selling and admin expenses $600 Allocated indirect fixed overhead costs $900 All variable costs are direct costs. Prepare an income statement showing contribution margin, contribution to indirect expenses and net income for North. Explain the division's performance using your statement