Cheapest tld for 10 year

I wish to buy a domain name for testing purpose. For the this, my requirement is that

1. it has to be cheapest
2. 10 year registration should be available. ( this is to confirm that I do not wish to opt for free options like freenom etc. )
3. This should not have specific requirement like any sort of verification etc. ( that should be open to all ).

Kindly comment which tld is the best suitable for this purpose.

So far I could find the cheapest tld is .biz & which is available for 10 year.
tld mentioned above are available at for $3.99 / year

for india for INR 399 / yr. ( approx $ 5.3 / year ), this is the rate taken on 13-April-2020 from