Paul Lalli's checking account: $55.00
 # | Original | Amount   | New
---+----------+----------+---------
 1 |     0.00 |   100.00 |   100.00
 2 |   100.00 |   -45.00 |    55.00
 3 |    55.00 |    20.00 |    75.00
 4 |    75.00 |   -35.40 |    39.60
The average of all deposits: 105
The average of withdrawls starting with the 3rd transaction: -36.8
Average deposits, from 2nd through 5th transaction: 60
Paul D. Lalli's checking account: $264.60