In the month of May, Williams Company produced 5677 units of a product. The standard cost card indicates the following materials standard per unit of output: 1 kilogram 505-5050. During May, 16345 kilograms of material were purchased at a total cost of 89408 and 7162 Kilograms of materials were used. What is the material price variance for May? Note that a negative number indicates an unfavourable variance Soloct one: O a. $3581 Ob. $-742 O c. $1236 O d. $-1236 Check