the closed fund is a closed-end investment company with a portfolio currently worth $255 million. it has liabilities of $3 million and 5 million shares outstanding. required: a. what is the nav of the fund? (round your answer to 2 decimal places.) b. if the fund sells for $47 per share, what is its premium or discount as a percent of nav? (input the amount as a positive value. do not round your intermediate calculations. round your answer to 2 decimal places.)