overrides.
1. Global defaults
2. Environment variable settings
3. Initialization file
4. Command-line arguments
Whatever is later in the list overrides what is earlier.
price (based on the cost of the transactions), don't automatically use the
date and the entry code -- since most people aren't going to be that specific
at the time of sale, it's causes confusion in certain cases.
Fixes: E87DD3A5-B061-46A0-95E9-9844A6CB0443
