The sup tag in the following text causes the entire 3rd line to move down slightly. How can I keep the line spacing even and use superscript?

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		The IDRT is a dynamic, customizable reporting tool allowing users to select various investment related data points 
		to be included in presentation quality reports.  The tool supports the available financing products for Nonqualified 
		Retirement Programs, including Principal Advantage - Nonqualified<sup>sm</sup>, Executive Variable Universal Life 
		(Executive VUL) and Benefit Variable Universal Life (Benefit VUL).   It consolidates multiple investment reports into 
		one, easy to use process.

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