}//CheckCostPrices
//-------------------------------------------------------------------------------------------------------//
/// <summary>
/// Checks for the most recent sale of product to customer.
/// </summary>
/// <param name="cusCode">Customer Code</param>
/// <param name="prodCode">Product Code</param>
/// <returns>Most recent sale or blank sale.</returns>
public double CheckCostPrice(string prodCode)
{
return(ProductReader.GetCostPrice(prodCode));
}//CheckCostPrice
