The state income tax where Kristin lives is levied at the rate of $$p\textbackslash\%$$ of the first ＄$$28000$$ of annual income plus $$ \left( {p+2} \right) \textbackslash\%$$ of any amount above ＄$$28000$$. Kristin noticed that the state income tax she paid amounted to $$ \left( {p+0.25} \right) \textbackslash\%$$ of her annual income. What was her annual income? ($$2001$$ AMC $$12$$ Problem, Question \#$$3$$) 
选项为:A:＄$$28000$$  B:＄$$32000$$  C:＄$$35000$$  D:＄$$42000$$  E:＄$$56000$$  请回答其中一个选项.