Mazona Corp.'s free cash flow to the firm for the 2018 financial year just ended is $225 million. The firm has $480 million in bonds outstanding, with an average interest rate of 7.00%. During the year of 2018, the firm increased its long-term borrowing by $7 million. The firm's cash flow is projected to grow at 3.80% indefinitely. The required rate of return by equity holders is 10.80%. The tax rate is 31.00%.

a. What was the free cash flow to equity holders in 2018?

b. What is the value of Mazona's equity (in $ million) as of the end of 2018?