You contributed $4,000 (1st year), $3,500 (2nd year), $1,500 ( 3rd year), and $2,000 (4th year) into your retirement fund for ea
ch of the past 4 years. Your goal is to save at least $75,000. You have eleven years of work left before you retire. What is the average annual contribution you will need to make to reach your goal of $75,000?