Problem 23-8 A manager is holding a $1.3 million stock portfolio with a beta of 1.3. She would like to hedge the risk of the portfolio using the S&P 500 stock index futures contract. How many dollars' worth of the index should she sell in the futures market to minimize the volatility of her position? (Enter your answer in millions, not dollars, rounded to two decimal places.) X Answer is complete but not entirely correct. Millions' worth of index to be sold is 1.30