A rational person is defined as some who makes decision with the intelligent thinking rather being emotional .This result usually results in sensible outcomes.
According to the Ten principles of Economics,it is supposed that a rational person tends to think intelligently and would prefer to make minute changes in the resources while taking decision so that optimal rate can be maintained and additional action can be further thought.
Other option are incorrect because purchasing items from smaller organization, sunk rate and average cost product equalizing with the price is not the decision ability of a rational person
The Hogan Personality Inventory (HPI) is commonly used to predict job performance by measuring normal personality dimensions. It is specially used to measure certain specific traits and abilities: leadership and planning. It is based on the Five-Factor Model and was specifically developed for working adults in the business industry.
It is part of the Hogan Assessment tests used to predict job performance.
So, you would start by adding 105,027,000 to 4,000,000 that gives you 109,027,000. Then you would subtract 109,027,000 and 2,000,000 that gives you 107,027,000