Ed wants to start saving for retirement by investing in his 401(k). Over the next 30 years, he wants to save up a total of $1,400,000. He will make contributions from his monthly paychecks (his annual salary is $154,000) and his employer will match 25% of his contributions. What percent of each monthly paycheck does he need to contribute to his 401(k) to meet his goal, if his account earns 8.1% interest?