Laffer curve is related to
(a) Tax rate and tax revenue.
(b) Aggregate tax and aggregate non-tax revenue.
(c) Total tax burden and total payment burden.
(d) Total income and total expenditure.
(a) Tax rate and tax revenue.
(b) Aggregate tax and aggregate non-tax revenue.
(c) Total tax burden and total payment burden.
(d) Total income and total expenditure.