After completing her residency, an obstetrician plans to invest $12,000 per year at the end of each year in a low-risk retirement account. She expects to earn an average of 6% for 35 years. What will her retirement account be worth at the end of these 35 years?

After completing her residency, Kay, an obstetrician, plans to invest $12,000 per year at the end of each year in a low-risk retirement account. She expects to earn an average of 6% for 35 years. What will her retirement account be worth at the end of these 35 years?