Davidson Furniture used 4,000 pounds of nails to make 12,000 tables. The nails cost $5,600. The direct materials quantity standard is 0.25 pounds per table and the direct materials price standard is $1.45 per pound. The company knows that the production department has not hired any new employees in the last six months. What is the most likely reason for the unfavorable total materials variance? O The production department lost a package of nails. O The purchasing department bought inferior nails. O The sales department sold a package of nails. O The purchasing department bought better quality nails