What is the differential cost from the acceptance of the offer?

A) $150,000
B) $275,000
C) $550,000
D) $125,000

Differential cost refers to the difference in total cost that will result from selecting one alternative over another. Without the specific details of the offer and the costs involved, it's impossible to accurately determine the differential cost. Therefore, a correct answer cannot be provided without additional context or information regarding the offer and associated costs.