Answer:
QUESTION 2 -> Correct option: A.
QUESTION 3 -> Correct option: C.
Explanation:
QUESTION 2
To find the amount of tax we just need to multiply the tax rate by the original price of the product:



Then, to find the total selling price, we need to sum the original price to the tax value:



Correct option: A.
QUESTION 3
To find the final value after 2 years, we can use the formula:

Where P is the final value, Po is the inicial value, r is the interest and t is the amount of time. Then, we have that:


Correct option: C.