please help

For each option below, decide whether a TFSA Or RRSP would be more appropriate and explain why (a) You earn $11,000 of income and want to save some money for either retirement or to buy a house in five years. (b) You earn $40,000 and want to save for a house purchase likely to occur in about four years. (c) You earn $125,000 and want to save for retirement (d) You earn $80,000, are part of a defined benefit pension plan, and want to save more for your retirement