[EDITORIAL] ListCost: convert normative statement into bullet points

specification/columns/listcost.md

@@ -2,7 +2,11 @@
 
 List Cost represents the cost calculated by multiplying the [*list unit price*](#glossary:list-unit-price) and the corresponding [Pricing Quantity](#pricingquantity). List Cost is denominated in the [Billing Currency](#billingcurrency) and is commonly used for calculating savings based on various rate optimization activities, by comparing it with [Contracted Cost](#contractedcost), [Billed Cost](#billedcost) and [Effective Cost](#effectivecost).
 
-The ListCost column MUST be present in a [*FOCUS dataset*](#glossary:FOCUS-dataset) and MUST NOT be null. This column MUST be of type Decimal, MUST conform to [Numeric Format](#numericformat) requirements, and be denominated in the BillingCurrency. When [ListUnitPrice](#listunitprice) is present and not null, multiplying the ListUnitPrice by PricingQuantity MUST produce the ListCost, except in cases of [ChargeClass](#chargeclass) "Correction", which may address PricingQuantity or any cost discrepancies independently.
+The ListCost column adheres to the following requirements:
+
+* The ListCost column MUST be present in a [*FOCUS dataset*](#glossary:FOCUS-dataset) and MUST NOT be null.
+* This column MUST be of type Decimal, MUST conform to [Numeric Format](#numericformat) requirements, and be denominated in the BillingCurrency.
+* When [ListUnitPrice](#listunitprice) is present and not null, multiplying the ListUnitPrice by PricingQuantity MUST produce the ListCost, except in cases of [ChargeClass](#chargeclass) "Correction", which may address PricingQuantity or any cost discrepancies independently.
 
 In cases where the ListUnitPrice is present and is null, the following applies: