Suppose Hakeem spends his entire income on two goods, X and Y, which he views as perfect substitutes. His marginal rate of substitution (X for Y or Y for X) is always 1, his income is $200, and both X and Y cost $1/unit. Under these unusual circumstances, Hakeem's optimal consumption bundle has which of the following characteristics? O a) He will consume 200 units of X and no Y. O b) He will consume 200 units of Y and no X. O c) He will consume 100 units of both goods. O d) He is indifferent between the three bundles described in a), b) and c). e) None of the preceding statements is correct