Chapter 21, Problem 3PSA

The manager of Kancha Supermarket needs to verify today's register accuracy. The store started with $500 float, processed customer payments of $5,840, issued refunds worth $320, and paid an urgent supplier bill of $280 from the register. During closing, the register shows $5,440. Determine the discrepancy from expected balance.

I want answer

what is the present value of the note