IC is more than enough to pass Principles of Management. I suggest this exam if you haven't taken it. You can also take the Peterson's exam to test if you are exam ready.

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Credits to date:
84 -Traditional
6-CLEP Analyz. & Inter. Lit (68)
3-CLEP Princ. of Mgmt. (73)
12-FEMA
3- DSST Environ. & Human. (53)
3 - Intro.to Psych (66)
3 - Human Growth & Dev (61)
6 - Humanities (72)