9) Consider the widget exchange, Suppose that each widget contract has a market value of $0 and a notional value of $100. There are 3 traders A, B, and C. Over one day, the following trades occurred:

A long, B short, 5 contracts

A long, C short, 15 contracts

B long, C short, 10 contracts

C long, A short, 20 contracts

a. What is each traders net position in the contract at the end of the day? (Calculate long positions minus short positions)

b. What are the trading volume, open interest, the notional value of the trading volume, and the notional value of the open interest?