Brett Ritter, a cash basis calendar year taxpayer, paid the following during the year: Social security tax (withheld from wages) $4,500 Real estate taxes $7,200 State income tax $2,400 State sales tax $4,300 What itemized deduction may Brett claim for taxes on his return? a. $7,200 b. $9,600 c. $10,000 d. $11,500 e. None of these