answer both question 4 and 5

If you use futures on the Stock Trak platform, you must remember: a) you will get margin calls if you drop below maintenance margin b) you will get initial margin calls if you drop below initial margin C) you will get both initial and maintenance margin calls d) you will not get any margin calls and call have catastrophic losses Question 5 (Mandatory) (0.2 points) Considering trading hours on future contracts: a) different contracts have different trading hours b) all futures contracts trade on standardized times from 0930 to 1400 EST. C) all contrats trade on standardized times from 0815 to 1615 EST d) all contracts trade 24 hours