please help woth this question

The market-to-book value ratio (i.e. the ratio of market value to book value) is usually A) Smaller than - 10 B) Smaller than 1 C) Greater than 1 D) Greater than 10 You believe you will need to have saved $2,000,000 by the time you retire in 40 years in order to live comfortably. In order to meet your retirement goal, how much must you save at the end of each year before you retire (i.e., over the next 40 years)? Assume the interest rate will averagely 8% per year over the period. A) $12,920 B) $7,720 C) $8,460 D) $13,060 E) $6,460