Problem 10-30 (Algorithmic) (LO. 4) Norma, who is single and uses the cash method of accounting, lives in a state that imposes an income tax. In April 2018, she files her state income tax return for 2017 and pays an additional $1,360 in state income taxes. During 2018, her withholdings for state income tax purposes amount to $4,760, and she pays estimated state income tax of $952. In April 2019, she files her state income tax return for 2018, claiming a refund of $2,448. Norma receives the refund in August 2019. Norma has no other state or local tax expenses. If an amount is zero, enter "0". a. Assuming that Norma itemized deductions in 2018, how much may she claim as a deduction for state income taxes on her Federal return for calendar year 2018 (filed April 2019)? $