A newspaper subscription costs $10/month. If you purchase an annual subscription you obtain a 20% discount on your total bill. How much do you end up paying if you go with the annual subscription? Let's be accurate as possible.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A year has 12 months. If 1 month costs $10, then a year will cost $12 * 10 = $120 per year without an annual subscription. If the annual subscription has a 20% discount then you would pay $120 * (1 - 20%) = $96 for the annual subscription.
The answer: 96.