Stephanie is 12 years old and often assists neighbors on weekends by babysitting their children. Calculate the 2018 standard deduction Stephanie will claim under the following independent circumstances (assume that Stephanies parents will claim her as a dependent).

a. Stephanie reported $1,400 of earnings from her babysitting.

Standard deduction =

b. Stephanie reported $2,490 of earnings from her babysitting.

Standard deduction =

c. Stephanie reported $19,415 of earnings from her baby sitting.

Standard deduction =