4) Maryse contributes $1,000 of her pre-tax income to her employer's Group Registered Retirement Savings Plan (RRSP). Her employer will match her contribution to her Group RRSP. Ignore income taxes. Her disposable income will then: a) Decline by $1,000 b) Increase by $1,000 c) Decline by $2,000 d) Increase by $2,000 e) Remain the same.