It is April 7, 2021, what is the total that Murdoch and his spouse can withdraw from their respective Registered Retirement Savings Plan (RRSP) under the Home Buyers Plan (HBP) to put towards a house they would like to purchase together? Murdoch currently has $23,333 in his RRSP while his spouse has $44,450. Hint: The withdrawal limit is $35,000 per person ($70,000 per couple) after March 19, 2019