Lies for a sale

My parents (pensioners ) purchased a bed from the branch at the crescent in 2022. They were not told it's a 1yr guarantee n 9yr warranty .under the impression the guarantee was longer they purchased the bed now the mattress is sinking n they are been told they must pay 3000 2get it sorted .why are u sales ppl so greedy 4 a sale they blindsided pensioners ??? The consultant should have played open cards wud she do that 2her parents???? Where does a pension who gets 2k grant pay 3000 4 'warranty" this is pathetic service n let's hope url sort this out ASAP