Graded Assignment Unit Test, Part 2: Saving Money

Answer the questions. When you have finished, submit this assignment to your teacher by the due date for full credit.

Total score: _ of 12 points

(Score for Question 1: ___ of 4 points)

1. The graph shows two accounts with the same principal and annual interest rate. Use the graph to estimate the answer to each question. Show your work.

(a) About how much more compound interest than simple interest is earned after 35 years? Remember to show your work.

(b)

(c) About how much more compound interest than simple interest is earned after 45 years? Remember to show your work.

(Score for Question 2: ___ of 8 points)

2. Tom bought 750 shares of a company’s stock for $11.06/share. He pays a broker a commission of $12 to buy and sell stock. After one year, Tom sold all his shares, when they were worth $10.24/share.

(a) How much did it cost Tom to buy the stock? Show your work.

(b) What was Tom’s net gain or loss? Show your work.

(c) What was Tom’s annual rate of return? Show your work.