If the demand for a good increases, which of the following is likely to happen, ceteris paribus (this ones a bit of a thinker!)?

If the demand for a good increases, which of the following is likely to happen, ceteris paribus (this one's a bit of a thinker!)? The equilibrium wage increases The supply of labor shifts left The demand for labor to produce it decreases The demand for labor to produce it shifts left Firms use interest rates to make decisions regarding capital purchases. Which of the following is true about their decision making? If the firm must borrow to purchase and the ROR > i on borrowing = buy the capital ROR is not important and should not be considered in these decisions If the firm doesn't need to borrow to purchase and the ROR > i on savings - don't buy the capital If the firm must borrow to purchase and the ROR > i on borrowing - don't buy the capital