Marginal tax rates Using the tax rale schedule given here (i), perform the following. a. Find the marginal tax rate for the following levels of sole proprietorship earnings before taxes $16,300,$61,400,$92,000,$157,000,$244,000,$452,400, and $1 million b. Piot the marginal tax rales (measured on the y-axis) against the pretax incorne levels (measured on the x-axis) a. The marginal tax rate for eamings before taxes of $16,300 is \%. (Round to the nearest integor) Marginal tax rates Using the tax rale schedule given here (i), perform the following. a. Find the marginal tax rate for the following levels of sole proprietorship earnings before taxes $16,300,$61,400,$92,000,$157,000,$244,000,$452,400, and $1 million b. Piot the marginal tax rales (measured on the y-axis) against the pretax incorne levels (measured on the x-axis) a. The marginal tax rate for eamings before taxes of $16,300 is \%. (Round to the nearest integor)