4. Sulaiman has an income of OMR 100 per month that has to be spent on two goods: Shoes and Jeans. From the following table, find the combination of shoe and jeans that he must buy to maximize his well-being and the combination where he will save or borrow. (4 marks) Quantity (units) Shoes (OMR 20/pair) Marginal Benefits (OMR) Jeans (OMR 10/pair) Marginal Benefits (OMR) 35 33 0 1 2 3 4 5 6 20 40 33 28 23 20 15 14 10 8.5