Based on the available information, and the options, the correct answer is b. 18%.
To calculate the margin for the electronics division of Anton Company, divide the operating income by the revenues.
Margin = (Operating Income / Revenues) * 100
Given:
Operating Income = $144,000
Revenues = $800,000
Margin = (144,000 / 800,000) * 100
Margin = 0.18 * 100
Margin = 18%
Therefore, the margin for the electronics division of Anton Company is 18%.
The correct answer is b. 18%.