Retailers offer value -added services to both manufacturers as well as customers

A set of simultaneous equations can be solved through the use of determinants by setting up a proportion of two special determinants for each unknown variable

Indicate whether the statement is true or false

If ________ didn't hold, the price of goods would change because merchants would buy cheap goods and avoid the expensive ones

A) Purchasing power parity B) Arbitrage C) Exchange rates D) Law of one price