Answer: b. people face trade-offs
Explanation:
From the question, we are informed that Bullie Jean has $120 to spend and wants to buy cither a new amplifier for her guitar or a new mp3 player to listen to music while working out.
We are further informed that the amplifier and the mp3 player cost $120, each and so she can only buy one. This shows that people face trade offs and have to make a choice regarding some decisions. Here, an opportunity cost will be the one that she didn't buy at the expense of the other.
Answer:
Barb will earn interest on interest yes because she don't retire the interest
Explanation:
a. Barb will earn compound interest both will aearn compound interest.
b. Barb will earn more interest the first year than Andy both are compound annualy. The first year both will earn the same amount of interest.
c. Barb will earn interest on interest yes because she don't retire the interest and reinvest it.
Compound interest (or compounding interest) is interest calculated on the initial principal, which also includes all of the accumulated interest of previous periods of a deposit or loan
d. After five years, Andy will have more money in his account than Barb. No because he spend his interest.
e. Andy will earn more interest the first year than Barb both are compound annualy. The first year both will earn the same amount of interest.
