The composition of the Dominion Fund portfolio is as follows: STOCK SHARES PRICE A 200,000 $31 B 300,000 $46 C 400,000 $14 D 600,000 $23 Assume that during the year the portfolio manager sells all of the holdings of Stock D and replaces it with 200,000 shares of stock E at $50 per share and 200,000 shares of Stock F at $19 per share, what is the portfolio turnover rate?