1985 AJHSME Problems/Problem 14

Problem

The difference between a sales tax and a sales tax on an item priced at <dollar/> before tax is

<dollar/>

<dollar/>

<dollar/>

<dollar/>

<dollar/>\text{(A)}.01$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(B)}.10$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(C)}.50$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(D)}1$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(E)}abefore tax is

<dollar/>

<dollar/>

<dollar/>

<dollar/>

<dollar/>\text{(A)}.01$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(B)}.10$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(C)}.50$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(D)}1$$ (Error compiling LaTeX. ! Missing $ inserted.)\text{(E)}abefore tax is

<dollar/>

<dollar/>

<dollar/>

<dollar/>

<dollar/>$a