Alexander works as an electrician at a small company that provides no retirement benefits. He receives a salary of $45,000. In addition, Alexander operates a small roof repair service as a sole...

Alexander works as an electrician at a small company that provides no retirement benefits. He receives a salary of $45,000. In addition, Alexander operates a small roof repair service as a sole proprietorship; this business has a net loss of $2,500. In addition, Alexander realizes $800 of net income from rental property and $1,500 in interest income. What is Alexander’s earned income for determining the amount he is eligible to contribute to an IRA?