Answer :
Since Galaxia economy is 10 times larger than myopia‘s, it is fair to assume that the capital stock in Galaxia is larger than in myopia. Given the law of diminishing marginal returns - the notion is that as additional capital is used to produce a good, the increments to output decrease - the marginal return to capital in Galaxia is not greater than myopia.
Therefore the answer is d) Myopia
Therefore the answer is d) Myopia