A) $205.03
The formula for calculating compounded interest is

, where r is the rate of change (0.05), n is the number of times per year interest is compounded (4), s is the starting amount (200), and t is the number of years (0.5).
Substitute these values in to get

. The fraction can be simplified further to get

.
Now simplify the multiplication in the exponent to get

. Then solve the exponent.

Finally, multiply. You end up with $205.03125, which can be rounded to $205.03.
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