Which of the following will decrease the present value of a lump sum (for example, the PV of $500 to be received N years from today). (Check all of the answer choices that are correct. This is an all or nothing question. Thus, if a and b are both correct and you do not put both of these or you include one of the other choices, you will receive 0 points). An increase in the interest rate A decrease in the lump sum amount (for example, from $700 to $500). An increase in the lump sum amount (for example, from $500 to $700). A decrease in N An increase in the number of compounding periods per year (for example, the compounding changes from one time per year to 12 times per year). An decrease in the number of compounding periods per year (for example, the compounding changes from four times per year to one time per year). A decrease in the interest rate An increase in N