Machine Builders incorporated adopted a standard cost system several years ago that it uses in conjunction with its process cost system. The per-unit standard costs for direct materials and direct labor for its single product are as follows: All materials are issued at the beginning of processing. The operating data shown below were taken from the records for . Julus: Ine actual direct materials purchase price (AP) per kilogram in July (to two decimal places) was: (Round your final calculation to 2 decimal places.) Multiple Choice $10.81 $11,91. $12.01. \$12.11. $13.81