Sunland Co. produces wooden boxes. The company's standards per box require 7 boards, each costing $10 per board, and half of an hour of direct labour. The standard labour rate is $15 per hour. In August, Sunland Co. purchased 11930 boards for a total cost of $122400. It used 11550 boards to manufacture 2000 boxes. Total labour hours were 930 hours, and total labour costs were $16300. What was the total labour variance for August? O $1300 F O $1.07 F $1.07 U 0$1300U