AX - How get item cost (std) price

For getting cost price use class InventItemPrice. Second parameter is date for cost price,
then are two parameters for dimension. Last parameter tells if throw error, if cost price will not be found.

InventTable inventTable = InventTable::find( '55555-555555_555' );
InventItemPrice inventItemPrice;

if ( inventTable ) {

  /* -- get price for selected date */
        
  inventItemPrice = InventItemPrice::stdCostFindDate( 
                      inventTable, /*systemDateGet()*/
                      mkDate( 31, 1, 2017 ), 
                      '', null, 'COMPANY', false 
                    );

  info( "Price: " + num2str( inventItemPrice.Price(), 15, 2, 1, 0 ) );                            
}

Output could be:

Price: 11879.30