If you put your money into super, you pay 15% contribution tax, the earnings pay 15% tax.
So does that mean if you had $400,000 in super and it earns 5% that is $20,000. Then you pay $3,000 tax, plus have to prepay payg tax for next year.
If the money was in the bank and was your only income you would have to pay 19% on the $1800 above the $18,200 which would indicate you would pay $320. That would leave you with $19680.
I guess what I am asking is if you are a low to middle income earner why would you put money in super? If you and your wife, for example, can earn nearly $40,000 tax free outside of super?