CS 131 In Class Assignment, Wednesday, December 3

1.  Fill in the function PrintInventory  so that the output contains 
    a row for each warehouse.  For example,

    Warehouse   Item 1    Item 2   Item 3

      1          20       25         35
      2          33       54         12
      3          10       22          8
      4           5       10          6

2.  Add a function ItemTotal in which the user enters an item number and
    the function prints the sum of all inventory for that item.


3.  Write a function MaxInventory that, for each item, prints the number of
    the warehouse with the largest inventory.

*4. Write a function that will rearrange the warehouse numbering and data 
    so that warehouse 1 has the smallest total inventory, warehouse 2 the
    second smallest,...