Tony, age $15,$ is claimed as a dependent by his grandmother. During $2024,$ he had interest income from Boeing Corporation bonds of $$1,000$ and earnings from a part$-$time job of $$900.$ Tony's taxable income is:

a$.$ $$1,900-$$$1,300=$$$600.$

b$.$ $$1,900-$$$14,600=$$$0.$

c$.$ $$1,900.$

d$.$ $$1,900-$$$1,350=$$$550.$