A tax-exempt municipal bond has a yield to maturity of 5.21%. An investor, who has a marginal tax rate of 22.00%, would prefer and an otherwise identical taxable corporate bond if it had a yield to maturity of more than %. Submit Answer format: Percentage Round to: 2 decimal places (Example: 9.24%, % sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924)) PE