For married dependents who are under the age of 65 and not blind, you generally must file a federal income tax return if your unearned income was more than $950; if your earned income was over $5,950; or if your gross income was at least $5 and your spouse files a separate return and itemizes deductions.
The Atari 2600 came out in 1977. Originally known as the VCS or  Video Computer System, it was renamed to it's catalog number  (CX-2600) in 1982.
By 1982 the 2600 console cost Atari about $40 to make and was sold for an average of $125. The company spent $4.50 to $6 to manufacture each cartridge and $1 to $2 for advertising, and sold it for $18.95 wholesale.