The ATFAN company manufactures vaccines. Its managers charge indirect costs manufacturing to products based on direct labor hours. The company recently implemented a standard cost system. Here are the costs standards relating to a product unit: STANDARD COST SHEET - PER PRODUCT UNIT Raw materials: 3 grams per vaccine at $0.10 per gram -> 0.30$ Direct labor: 0.35 HMOD to $25.00 per HMOD -> 8.75$ Variable manufacturing overhead: 0.35 HMOD to $5.00 per HMOD -> 1.75$ Fixed manufacturing overhead: 0.35 HMOD to $8.00 per HMOD -> 2.80$ Standard cost per unit-> 13.60$

Here is the additional information concerning the period that has just to end: a) The company manufactured 10,000 units of vaccines during the period; b) She purchased a total of 35,000 grams of material during the period at a cost of 0.08S per gram. All this material was used for the manufacture of 10,000 vaccines. There is no beginning or ending stock of the period; c) During the period the company recorded 4,000 hours of labor direct labor for a total cost of $106,000; Q3.A - 10 points Calculate the purchase cost variance and the raw material quantity variance for the period? Q3.B - 10 points Calculate the direct labor rate variance and time variance for the period?