PricingTier

Valid for Mass or Single Unit items. A tier defines a lower bound. When the lower bound is met, the associated price is valid. Example: Product is $4/g and tiers exists at 3.5g for $10, and 7g for $18 If a customer purchases 3.5g up to 6.999g, the 3.5g tier applies `LineAmount = (tierPrice/lowerBound) * qty`

Name	Description	Type	Additional information
Id		integer	None.
CompanyId		integer	None.
TierName		string	None.
QuantityLowerBound	minimum quantity required to qualify for this pricing tier	decimal number	None.
AtTierPriceAppliesUpTo	for weigh heavy pricing, the maximum quantity to qualify for the AtTierPrice	decimal number	None.