In the prior year, Christy Collins had: Employment income before the deduction of any RPP contributions of $48,000 Net rental loss of $3,500 Dividends from taxable Canadian corporations with a total grossed-up amount of $5,520 Interest income of $1,200 $18,000 in support payments from her former spouse, of which $6,000 pertains to spousal support For RRSP purposes, Christy's earned income in the prior year is: 

$50,500 

$51,700 

$57,220 

$69,220