1. An entrepreneur invests $10,000 of her personal savings in her new business venture. Furthermore, she takes out $30,000 in loans.
   1. Are the interest payments she makes on her business loans considered an explicit cost or an implicit cost? Explain.
   2. She was earning interest income on her savings. Now that she withdrew those funds, she is no longer earning that interest income. Is that an example of an explicit cost or an implicit cost? Explain.