81) Mountain top Inc. can reduce its collection time by one day if it installs a lockbox system at a
cost of $2,200 a year plus $.52 per transaction. The inn receives an average of 136 payments per
day with an average payment of $7,980 each. The interest rate on money market securities is
3.98 percent. Assume a year has 365 days. What is the NPV of the lockbox system?
A) $156,727
B) $368,654
C) $274,208
D) $421,730
E) $226,203
82) Cow Chips Inc. can install a lockbox system to speed up collections by two days for an
annual fee of $17,000 plus 21 cents per transaction. The average customer payment is $11,480.
Treasury bills are currently yielding 3.5 percent per year. Assume a year has 365 days.
Approximately how many customers each day, on average, are needed to make this installation
profitable for Cow Chips?
A) 56.03
B) 23.43
C) 74.50
D) 83.33
E) 89.20