marta and her ex-husband robbie divorced in 2019. Marta has maintained custody over their son Michael, who is 14. before the start of 2020. robbie moved across town to a townhouse. marta is a middle school teacher, and robbie is dentist. marta earned $45000 for the year in salary, and robbie earned $110000 in salary. as part of the divorce agreement, marta was able to keep the house, which they originally paid $178000 for in 2010 for but is now worth $270000 in 2020. in the divorce agreement, Robbie agreed to pay $23000 per year in support of their child Michael.

determine the total recognizable gross income for Marta in 2020

a. $45000

b. $68000

c. $155000

d. $160000

e. none of the answer