Louise McIntyre's monthly gross income is $2,000. Her employer withholds $400 in federal, state, and local income taxes and $160 in Social Security taxes per month. Louise contributes $80 per month for her IRA. Her monthly credit payments for VISA, MasterCard, and Discover card are $35, $30, and $20, respectively. Her monthly payment on an automobile loan is $285. What is Louise's debt payments-to-income ratio? Is Louise living within her means?