private static int GetDisplayOrder(PriceRowType type)
 {
     return(type switch
     {
         PriceRowType.InterpreterCompensation => 1,
         PriceRowType.SocialInsuranceCharge => 2,
         PriceRowType.AdministrativeCharge => 3,
         PriceRowType.BrokerFee => 4,
         PriceRowType.TravelCost => 5,
         PriceRowType.Outlay => 6,
         PriceRowType.RoundedPrice => 100,
         _ => 30,
     });
 private static PriceRowBase GetTravelCostRow(DateTimeOffset startAt, DateTimeOffset endAt, decimal?travelCost, PriceRowType travelcostType)
 {
     return(new PriceRowBase {
         StartAt = startAt, EndAt = endAt, Price = travelCost.Value, Quantity = 1, PriceRowType = travelcostType
     });
 }