An investor earned $$100,000$ in $2014.$ His wife earned a similar amount and contributed the maximum to her spousal RRSP$.$ Earlier in the year he had contributed $$5,000$ to his own RRSP$.$ Which of the following best describes his options with his remaining contribution room?

Question $22$ options:

He can contribute another $$13,000$ into either his RRSP or into his wife's spousal plan.

He can contribute $$13,000$ in his wife's spousal plan.

He can contribute another $$13,000$ into his RRSP and $$18,000$ into his wife's spousal RRSP$.$

He can only contribute another $$13,000$ into his RRSP$.$