Kym plans to deposit $$100$ in an account at the end of each month for the next seven $(7)$ years so she can take a trip.

a$.$ If Kym$\text{'}$s opportunity cost is $6$ percent compounded monthly, how much will she have in the account in seven years? Do not round intermediate calculations. Round your answer to the nearest cent.

b$.$ How much will be in the account if the deposits are made at the beginning of each month? Do not round intermediate calculations. Round your answer to the nearest cent.

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