Answer:
a. to cover unexpected events.
Step-by-step explanation:
One of the reasons why someone would want to hold cash in his/her portfolio is for precautionary purposes. It is where "emergency" fund was derived .The motive for holding such a cash is to cover unexpected events or expenses like a blocked drainage, car breakdown or unexpected medical emergency. Other motives for demanding cash is to cover normal transactions or to use during speculated events like recessions.