For Inflation to Have No Real Effect on the Economy

For inflation to have no real effect on the economy, leaving all decisions and their real outcomes unchanged, five conditions must be met. Which of the following incorrectly states one of those conditions?

A) Inflation is universally and accurately anticipated.
B) All savings earn the nominal interest rate, while money earns zero interest.
C) Inflation of p0 percent raises the nominal interest rate by p0 above the no-inflation nominal rate.
D) Only real interest income is taxable and only the real cost of borrowing is tax-deductible.
E) Inflation raises the prices of all goods by the same percentage.