The answer to your questin is THE 4TH ONE Please mark as brainlest if helps
Benefit principle - concept of taxation in public finance. It is said that whoever benefits more from public or government expenditure should pay more taxes to support the expenditure.
Ability-to-pay principle - progressive taxation wherein people earning more are subject to bigger taxes because they have the ability to pay more. Taxes should be levied according to the individual's ability to pay.
We need it for our kids so they are not in a relationship
D All of them. The trainer has to look healthy, present fitness level, and prior physical activity involvement cuz u need to know what u doing & teach others , last but not aleast help them.