Answer:
Option D is the correct answer.
Explanation:
We have equation
Simple interest = P x i x n
Here we have interest = $840.00 after 7 years.
n = 7
Interest rate, i = 6% = 0.06
Interest = 840 $
Substituting
840 = P x 0.06 x 7
P = 2000$
Option D is the correct answer.