Final answer:
Troy's new balance on his credit card, taking into account purchases, cash advances, payment, and a 21% annual interest rate applied as a monthly finance charge, will be approximately $498.58.
Step-by-step explanation:
Calculating Troy's New Credit Card Balance:
To calculate Troy's new balance on his credit card statement, including finance charges, we need to first calculate the adjusted balance by subtracting the payment made from the initial balance and then adding purchases and cash advances. We then apply the monthly finance charges to this adjusted balance.
The initial balance was $203, and Troy made a payment of $216. Since the payment exceeds the initial balance, we can assume the remaining $13 reduces the cash advance, so the remaining cash advance is $165 - $13 = $152. After adding $338 in purchases, the adjusted balance before finance charges is $152 + $338 = $490. The finance charge is calculated using the 21% annual interest rate on the adjusted balance. However, daily interest is often calculated by lenders; for simplicity, we will calculate monthly interest as (21%/12) * $490 = $8.575. So, the finance charge for the month is approximately $8.58.the new balance, including finance charges, will be the adjusted balance plus the finance charge: $490 + $8.58 = $498.58. Therefore, the total Troy's new balance on his next credit card statement, taking the finance charges into account, will be $498.58 (rounded to the nearest cent).