Final answer:
The final price Ms. Kilcullen would pay for the iPhone 12 is $832.15, after applying a 15% discount to the original price of $979.
Step-by-step explanation:
The student's question concerns the application of percentage discounts to calculate a final price for a product, in this case, an iPhone 12.
Given that the original price of the iPhone 12 is $979 and there is a 15% discount for teachers, we need to calculate the discounted amount and subtract it from the original price to find what Ms. Kilcullen would pay.
First, calculate 15% of the original price:
Then, subtract the discount from the original price to obtain the final price:
Therefore, Ms. Kilcullen will pay $832.15 for her new iPhone 12, which means the correct answer is A) $832.15.