Answer:
27. B. $464.61
28. A. $107.79
Explanation:
27.
From the last balance shown, subtract the three remaining debits, and add the credit. That sum is ...
$415.25 -16.16 -18.18 -16.30 +100 = $464.61
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28.
The rate applied quarterly is 0.07/4 = 0.0175. That is, each quarter, the account balance is multiplied by 1.0175. After 4 quarters, the balance has been multiplied by 1.0175^4 ≈ 1.071859. The new balance will be ...
1500 × 1.071859 ≈ $1607.79
The amount in excess of $1500 is the interest earned:
$1607.79 -1500.00 = $107.79 . . . . interest earned