30. LO.2 Determine the amount of the standard deduction allowed for 2018 in the following independent situations. In each case, assume that the taxpayer a. Curtis, age 18, has income as follows: $700 interest from a certificate of deposit b. Mattie, age 18, has income as follows: $600 cash dividends from a stock invest- c. Jason, age 16, has income as follows: $675 interest on a bank savings account d. Ayla, age 15, has income as follows: $400 cash dividends from a stock invest- e. Sarah, age 67 and a widow, has income as follows: $500 from a bank savings is claimed as another person's dependent. and $12,200 from repairing cars. ment and $4,700 from handling a paper route. and $800 for painting a neighbor's fence. ment and $500 from grooming pets. account and $3,200 from babysitting