Yesterday's closing share price of Metal Manufacturing was $45. Today, the company announced that its fourth quarter earnings will be 10% higher than last year's fourth quarter, and, as a result, the company's share price closed at $46. Metal Manufacturing has a beta of 0.85. The closing values of the market index on yesterday and today are 4,234 and 4,365 respectively. Currently, the three-month treasury bill rate is 5% p.a. (annual nominal rate).