martina morales was deployed in combat zone for all of 2021. she is married and has two children martina's non taxable combat pay in 2021 is $21000. her husband worked part time while martina was deployed and earned $9000.what is maximum of earned income the morales family can report for earned income tax credit purposes in 2021? A) $9,000. B) $12,000. C)$21,000. D)$30,000.