Scarlett likes to eat, eat, eat, apples (a) and bananas (b).Her utility function is given by:U = 4a + 2b,Apples cost $5 per pound, bananas cost $4 per pound, and she has $40 to spend.a.)(3) How many apples and bananas will she consume? What is her total utility?b.) (3)Suppose the price of apples begins to increase while everything else (her income, utility, and theprice of bananas) remains the same.At what price of apples would Scarlett only eat bananas, and what isher utility