- Lock-box reduces float by = 459 x 2568 x 3
- Lock-box reduces float by = $3536136 per day
- Daily returns = $3536136 per day x .021%
- Daily returns = 742.58856
- Daily Cost = $0.25 x 2568
- Daily returns - Daily Cost = Daily Net Benefit
- 742.58856 - 642 = 100.58856
- Annual Net Benefit = Daily Net Benefit x 365
- Annual Net Benefit = 36714.8244
- Annual cost = 30000
As Annual Net Benefit > Annual cost it is worth accepting the
lock box system offer