Output for monetary values
Monetary values are shown in the advertiser's currency.
If the advertiser used the duplication method to switch to operating in a real currency (see Terms of converting Advertiser account into currency of payment (excluding rubles)), statistics for old campaigns in Yandex units are recalculated to the currency using the exchange rate on the date of the click.
Amounts in the currency with up to two decimal points, if the request specifies the HTTP header returnMoneyInMicros: false.
The integer result of multiplying the amounts in the currency by 1,000,000 if this header is omitted.
VAT and discounts
Monetary values in the AvgCpc, AvgCpm, Cost, and CostPerConversion fields are available both with or without VAT, and before or after the discount. Use the IncludeVAT and IncludeDiscount input parameters to specify how to show these values.