Starting at point B in the diagram below, identify which combinations of points illustrate technological change. Give a brief explanation to support your answer. 
Definitions:
Nominal Interest Income
The amount of money earned from interest before adjusting for inflation; it does not account for the purchasing power of the interest income.
Monetary Policy
Monetary policy involves the management of a nation's money supply and interest rates by its central bank to control inflation, manage employment, and stabilize the currency.
Short Run
A period in economics where at least one input is fixed and cannot be changed, limiting adjustments in production.
Long Run
A period in which all inputs, including capital assets, can be adjusted by firms in response to market conditions.
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