AID18664: Assume that a consumer consumes two commodities X and Y and makes five combinations for the two commodities:

Combination | Units of X | Units of Y |

A | 25 | 3 |

B | 20 | 5 |

C | 16 | 10 |

D | 13 | 18 |

E | 11 | 28 |

Calculate Marginal rate of Substitution and explain the answer.

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