George and Martha, both age 50, are filing a Married Filing Jointly return for tax year 2017. They have two dependents, their two children, ages 7 and 10. Their household income for 2017 is $81,000. George previously had health insurance on himself and his family until it ran out on June 30. Martha's employer does not offer health insurance. They chose to remain uninsured until January 1, 2018, when George started family coverage from his new employer. What will be the amount of George and Martha's shared responsibility payment for 2017? a) $1,505.00 b) $2,085.00 c) $ 752.50 d) $1,042.50