Kelton Corp. has calculated its direct materials price and quantity variances to be $500 favorable and $800 unfavorable, respectively. Kelton’s production manager believes that these variances indicate that the purchasing department is doing a good job but production is doing a poor job. Explain whether the production manager’s conclusions are correct.

Kinc. has provided the following data for the month of may: inventories: beginning ending work in process $ 17,000 $ 12,000 finished goods $ 46,000 $ 50,000 additional information: direct materials $ 57,000 direct labor cost $ 87,000 manufacturing overhead cost incurred $ 63,000 manufacturing overhead cost applied to work in process $ 61,000 any underapplied or overapplied manufacturing overhead is closed out to cost of goods sold. the adjusted cost of goods sold that appears on the income statement for may is: