As long as it is not restricted in any documentation, margin trading is permissible in I) corporate as well as in III) partnership accounts.
In the field of business, when money is funded in a collateral manner and borrowed money is used for trading, then such a type of trade is referred to as margin trading.
In corporate accounts, where there are multiple persons involved, margin trading can be used in order to share the expenses among the members.
Similarly, in a partnership, as two or more parties are involved, margin trading can be used for depositing a funded amount. hence, option I, corporate and III partnership is correct.
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