pmt- The payment is $93.22, and comes from cell C6.
Notepmtis input as a negative value.
In annuity functions, cash paid out is represented by a negative number.
Note: If pmt is not provided, the optional fv argument must be supplied.
pv- The present value is $5000, and comes from C5.
With these inputs, the RATE function returns 0.375%, which is the periodic interest rate.
The RATE function calculates by iteration.