Answer:
68086.64
Explanation:
The future value formula can be used.
FV = P(1 +r/n)^(nt)
The future value of principal P at annual rate r compounded n times per year for t years.
124000 = P(1 +0.02/12)^(12·30) = P·1.82120898
P = 124000/1.82120898 ≈ 68086.64
The principal was $68,086.64.