Final answer:
Normally, extra military instruction (EMI) is not assigned for more than 2 hours per day, adhering to military regulations that balance additional instruction with service members' time.
Step-by-step explanation:
The question pertains to military regulation, specifically concerning the assignment of extra military instruction (EMI). According to standard military guidelines, EMI is normally not assigned for more than a specific number of hours per day. In this case, the correct answer is b. 2 hours. Regulations typically impose this limit to ensure that the additional instruction does not excessively encroach on the service member's personal time or well-being. Thus, when you see the options presented, the correct maximum amount of time for EMI is understood to be two hours per day.