Answer:
1969.6%
Step-by-step explanation:
The computation of the effective annual rate is given below;
Given that
It is been charged $12 for $200 loan for 7 days
So for 7 days,
the nominal interest rate is is
= 12 ÷ 200 × 100
= 6%
Now
(1+r) = (1+0.06)^{52}
(1+r) = 20.696
r = 19.696
= 1969.6%