Answer:
The future value is $ 422.10.
Explanation:
When an amount is compounded monthly,
Then its future value is,

Where, P is the present value or principal value,
r is the annual rate of interest,
t is the number of months,
Here,
P = $ 420, r = 3 % and t = 2 months,
Thus, the future value of the amount is,



Option A is correct.