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{\colortbl;\red255\green255\blue255;}
\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\sl264\slmult1\ql\qnatural\pardirnatural
\f0\fs28 \cf0 The following query makes it easy to see monthly expenses, with each\
month's expenses sorted by the amount:\
\
@example\
ledger -M --period-sort t reg ^expenses\
@end example\
\
Now, you might wonder where the money came from to pay for these\
things. To see that report, add @option\{-r\}, which shows the\
``related account'' postings:\
\
@example\
ledger -M --period-sort t -r reg ^expenses\
@end example\
\
But maybe this prints too much information. You might just want to\
see how much you're spending with your MasterCard. That kind of query\
requires the use of a display predicate, since the postings\
calculated must match @samp\{^expenses\}, while the postings\
displayed must match @samp\{mastercard\}. The command would be:\
\
@example\
ledger -M -r -d /mastercard/ reg ^expenses\
@end example\
\
This query says: Report monthly subtotals; report the ``related\
account'' postings; display only related postings whose\
account matches @samp\{mastercard\}, and base the calculation on\
postings matching @samp\{^expenses\}.\
\
This works just as well for report the overall total, too:\
\
@example\
ledger -s -r -d /mastercard/ reg ^expenses\
@end example\
\
The @option\{-s\} option subtotals all postings, just as @option\{-M\}\
subtotaled by the month. The running total in both cases is off,\
however, since a display expression is being used.}
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