RALPH'S BONUS: Ralph Lauren, chief executive officer of Polo Ralph Lauren, received a $15 million bonus for the year ended March 31, 2006, a 13 percent increase from last year's $13.3 million bonus, according to the company's proxy filing on Friday with the Securities and Exchange Commission. Lauren's base salary of $1 million remained unchanged from a year ago. The ceo also received restricted stock valued at $4.3 million, or a 30.2 percent increase from the $3.3 million of restricted stock granted a year ago. In addition, there was no change in the 150,000 stock options he received this year from last year.