Combine each pair of sentences to make a single sentence with a non-defining relative clause. Choose the correct sentence. My new laptop has stopped working. It cost over £500.

Виберіть одну відповідь:
My new laptop, who cost over £500, has stopped working.
My new laptop, which cost over £500, has stopped working.
My new laptop, where cost over £500, has stopped working.
My new laptop, whose cost over £500, has stopped working.