Aleda Marucheck has received the following quote from a supplier of replacement ink cartridges used in laser jet printers:

Quantity..................................Unit Price
     1.............................................$23
    2 ..........................................  $19
    5 ..........................................  $17
    10..........................................$13
    13..........................................$12
  

Requirement:

1.   Using the format illustrated in Chapter 12, calculate a quantity discount analysis for a quote using specific quantities.
2.   What quantity should Aleda order if she wants to receive the lowest incremental costs between quantities?
3.   Is there anything unusual about this quote?
4.   What must a buyer consider when determining what quantity to purchase?