Your parents are planning for retirement in 10 years. They estimate inflation at 4% and that they will need $55,500 in before-tax income while their current available income is only $45,700, both in todays dollars. What will the amount of the deficit be at retirement?

Group of answer choices

$ 9,800.00

$ 6,620.53

$14,506.39

$22,312.65

none of these answers is correct