Good day, could you please assist me with this question.

Mrs Mokwena purchases three items: 3 loaves of bread, 2 blankets and 1 pair of shoes Bread costs R10 per unit, Blanket costs R100 per unit Shoes cost R150 per pair. She spends 50% of her Income on bread, 20% on blankets and 30% on shoes Calculate the weighted average price. (R) A 86 B. 70 C 160 D. 33