Ms. Marilyn always maximizes her RRSP contributions and has approached you to determine the maximum tax deductible RRSP contribution that she can make for 2020, based on the following from her 2019 tax return:

Gross employment income $50,650

CPP 2,163

EI 747

RPP contributions 1,500

Moving expenses 300

Spousal support paid 3,000

Loss on rental property 1,800

Interest income 300

If the pension adjustment reported by Ms. Marilyn's employer for 2019 was $2,000, then the maximum, tax deductible RRSP contribution Ms. Marilyn can make in 2020 is: