Ervine received Social Security benefits during the current year of $15,400. Ivettes only other sources of income were wages of $16,000, interest income from corporate bonds of $4,000, and taxable domestic dividends of 1,100. Ervine is single, 72-years of age, and has no dependents.

A) Calculate Ervine AGI

B) What would be Ervine AGI if Ervine also had tax-free municipal bond interest income of $9,600