changed the striked price in product.html

[venkatabhaskar3000]

📝 Description

Actually before this change the striked price was 2000 but i think that's not correct so I changed the price.

🔧 Fixes #(issue)

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📷 Provide related Screenshot/Gifs if any.

before -

after -

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• [x] I have performed a self-review of my own code.
• [x] I'm a contributor in Hacktoberfest'21.