The company where Robert works produces skateboards locally but sells them globally for $60 each. Robert is one of the production managers in a meeting to discuss preliminary results from the year just ended. Here is the information they had in front of them: Standard Quantity per unit Standard Price Wood 3.00 feet $3.00 per foot Wheels 4.00 wheels $0.50 per wheel Direct Labor 0.30 hours $14.00 per hour Actual results: • Quantity of wood purchased, 265,200 feet; quantity of wood used, 259,200 feet. • Quantity of wheels purchased, 345,430 wheels; quantity of wheels used, 326,430 wheels. • Actual cost of the wood, $3.20 per foot. • Actual cost of the wheels $0.55 per wheel. • Quantity of DL hours used, 25,920 hours; actual cost of DL hours, $15.80 per hour. • Actual units produced, 81,000 skateboards. (a) Complete a variance analysis for DM (both wood and wheels) and DL, determining the price and efficiency variances for each; be sure to specify the amount and sign of each variance