One of the appendices to a formal contract should be a 'pricing schedule'.

Yes, because the contract is always a very large document and the parties need easy access to price information to negotiate increases

Yes, because all contracts are required to have detailed pricing terms, such as fixed prices, incentives, and price escalation, which must be attached

No, because it is not a requirement to attach a pricing schedule if complex pricing terms are not applicable to that particular contract

No, a pricing schedule is required only if other attachments such as a non-disclosure agreement and insurance policy are also appended