beware of this caller..trying to scam you to buy something

Says they want you to take part in government survey about tax benefits offer Coles voucher$50 have your address and email details...have had multiple calls from them and when I did answer. Told them I was not interested. But very persistent so I hung up and blocked them

claiming to be government survey and u can win a voucher for participating. Asking me how much is my yearly salary. I said, " None of your business how much I earn. What r u trying to do? con me?" then the person rudely hung up.

they have rung me 3 times without message. I phoned back and they didn't pick up

they have rung me 3 times without message. I phoned back and they didn't pick up