# of Disbursements* Cost Savings- NPV Up front Cost , where i represents the discount rate. Use Equation 10.1 to determine which of the following will lead to an increase in the NPV when switching from checks to ACH: a. A decreased number of disbursements (assume that cost savings exist) b. An increase in the cost of processing a check relative to an ACH c. A decrease in the opportunity cost d. An increase in the up-front cost of conversion 1