Please tell me how to get In the second box (per Kg) how to get Actual price (AP)

Majan Company provided the following information for a particular month. The standard material cost for 200 units of output is Material Kg Rate per kg 50 12 . 100 9 100 10 The Actual cost for 8000 units is as follows: Material Kg Total cost 2100 28,350 B 3750 30,750 C 4150 46,480 You are required to answer the following questions