Can someone please show the working out and calculations for this problem? I'm a bit lost

Question 4 1/1 pts You buy 100 shares of a stock for $39 per share. One week later the price is $39.78 per share. Two weeks later the price is $47.19. You decide to sell at that price. What is the geometric average net return per week of your investment? 0 0.00% 25.85% 4.04% Correct! 10.00% 2.00%