Final answer:
Maxine's monthly interest charge will be $47.39
Step-by-step explanation:
To calculate Maxine's monthly interest charge, we can use the formula:
Interest Charge = Balance × (Annual Interest Rate ÷ 12)
Plugging in the values, we get:
Interest Charge = $2,586.50 × (21.99% ÷ 12)
Simplifying the equation, we get:
Interest Charge = $2,586.50 × 0.0183
Calculating the result, we find:
Interest Charge = $47.39
Therefore, Maxine's monthly interest charge will be $47.39, and the correct answer is b) $47.39.