The Stanwick Manufacturing Company builds wooden bookshelves. The company has determined the following standard costs for their manufacturing inputs: Wood: 25 pounds per bookshelf at $6.40 per pound Direct labor: 5 hours per bookshelf at $12.00 per hour Variable Overhead: $30 per bookshelf at 5 hours per bookshelf Fixed Overhead: $130,000 per period; applied at the rate of $20.00 per unit Planned production is 6500 bookshelves During the most recent month: 1.155,000 pounds of wood was purchased and used at $6.50 per pound. 2. Direct labor incurred was 31,000 at an average cost of $11.50 per hour 3. Overhead costs were $302,000 of which $181,000 was variable. 4. Six thousand bookshelves were produced during the month. Required: YOU MUST SHOW DETAILED WORK FOR THIS PROBLEM. You must compute all required input variances, as we discussed in class, and then circle your final answer for each type of variance. (Each answer is worth 2 points each.)