# by default only market prices are reported
<
P 2016/1/1 EUR $1.06
P 2016/2/1 EUR $1.05

2016/1/1 paycheck
    income:remuneration     $-100
    income:donations         $-15
    assets:bank

2016/1/2 spend
    expenses             20 EUR @ $1.07
    assets:bank
$ hledger prices -f-
P 2016-01-01 EUR $1.06
P 2016-02-01 EUR $1.05

# costs from postings can be included also
<
P 2016/1/1 EUR $1.06
P 2016/2/1 EUR $1.05

2016/1/1 paycheck
    income:remuneration     $-100
    income:donations         $-15
    assets:bank

2016/1/2 spend
    expenses             20 EUR @ $1.07
    assets:bank

2016/1/3 spend
    expenses             20 EUR @@ $21.45
    assets:bank
$ hledger prices -f- --costs
P 2016-01-01 EUR $1.06
P 2016-01-02 EUR $1.07
P 2016-01-03 EUR $1.0725
P 2016-02-01 EUR $1.05

# inverted costs from postings can be calculated
<
P 2016/1/1 EUR $1.06
P 2016/2/1 EUR $1.05

2016/1/1 paycheck
    income:remuneration     $-100
    income:donations         $-15
    assets:bank

2016/1/3 spend
    expenses             $21.45 @@ 20.00 EUR
    assets:bank
$ hledger prices -f- --inverted-costs
P 2016-01-01 EUR $1.06
P 2016-01-03 EUR $1.0725
P 2016-02-01 EUR $1.05