only one question
.Suppose Jim considers orange and apple to be perfect two-for-three substitutes and spends $60 income only on these two goods. Orange costs $4/lb, while apple costs $2/lb. Find Jimâ€™s optimal consumption bundle. What will be the income and substitution effects of an increase in the price of apple to $4/lb? What will be Jimâ€™s optimal consumption bundle after the increase in the price of apple to $4/lb?