Manager A follows the stocks in a broad market index and has made independent forecasts for 225 of them. Manager A's information coefficient (IC) is 0.12. Manager B has made independent forecasts for 150 of the same stocks, and their IC is 0.15. Which manager is more accurate in their forecasts?
a) Manager A
b) Manager B
c) Both managers have the same level of accuracy
d) Insufficient information to determine