Answer: Option 'c' is correct.
Explanation:
Since we have given that
Amount of annual premium is covered entirely by Mr. Henderson's employer = $4668
Amount of premium for his wife and kids = $9264
Percentage of $9264 is covered by his employer = 25%
So, Total amount of Henderson family's annual premium is being paid by his employer is given by

Total amount Mr.Henderson's family annual premium is given by

Hence, Option 'c' is correct.