Given:
Value = $91,000, value after 5 years
t = 5 years
n = 365, daily compounding
r = 6.25% = 0.0625, discount rate
Note that
n*t = 365*5 = 1825
Let P = principal, the current value
Then
P(1 + 0.0625/365)¹⁸²⁵ = 91000
1.3668P = 91000
P = $66,578.80
Answer: $66,758.80
