See link below-
The value of a Tasco 4x32 scope will depend on its condition, age, and specific model. On average, you can expect to pay between $30 to $70 for a used Tasco 4x32 scope. Newer or higher-quality models may command a higher price.
The age of an ACOG 4x32 scope is determined by the date of manufacture which is usually marked on the scope itself. Additionally, the model number and any specific features can also provide clues to when the scope was produced.
You can't it is not designed to come apart. Time for a new Scope.
No
About $30
Send it back.
The typical Marlin 39A does not have a scope. They are drilled and tapped that one can be added.
5-100 usd
It's worth between $10 to $15 used.
A 4x32 scope can typically help you see objects clearly up to several hundred yards away, depending on the size and lighting conditions. The magnification level of 4x means that objects will appear four times closer than they actually are, allowing for improved visibility and target acquisition at medium-range distances.
bout 700 bucks i would say