Answer: Substitution bias:
Explanation:
Substitution bias explains a possible bias in economic index numbers if they do not incorporate data on consumer expenditures changing from products with a relatively high cost to a product with a cheaper price as the prices changes.
Substitution bias happens or can occurs when prices for products change relative to one another product. Consider how consumer expenditures are reflected in a consumer price index. Consumers will tend to buy more of the good whose price declined, and less of the now relatively more expensive good.
Ken, the agent, violated the law of agency
In this particular instance, when Ken told the the buyer that the seller would take a lower price than what was on the listing in order to close the sale faster and then told the buyer exactly which price they should offer, Ken, who is the agent, has now violated the law of agency
Answer:
Inquiry Letter
Sometimes a business can send this to a supplier to find out if they have a certain good in stock.
Purchase Requisition
This is a document used by a department in a company to request that those in charge of procurement acquire some goods for them.
Quotation
This is a document sent by a supplier to the prospective buyer informing them of the goods they have and their selling price.
Purchase Order
This is the document that shows a formal request for goods from a supplier.
Delivery Note
This is used to confirm that the buyer has received the goods they ordered. The buyer will typically sign this document to confirm receipt.
Invoice
A supplier prepares and sends this to the buyer to show them the goods they ordered and the prices so that the buyer knows how much they owe.
