On Monday morning you sell one June T-bond futures contract at 97:27, that is, for $97,843.75. The contract's face value is $100,000. The initial margin requirement is $2,700, and the maintenance margin requirement is $2,000 per contract. Use the following price data to answer the following questions

on which of the given days do you get a margin call?

The cumulative rate of return on your investment after Wednesday is