Choose the incorrect sentence in the following sentences. One.

Arbitrage is doing the same thing at the same time buying goods at a cheap place and reselling them at a higher price to eat the difference.

b. Arbitrage is the buying and selling of goods today and reselling them at a definite time in the future.

c. Rate % (1 year term) is the variable that determines the rate that is valid in PPP form from time to time.

d. Purchasing power parity is the exchange rate between two currencies, according to this ratio, the same quantity of goods can be purchased at home and abroad. outside when revert 1 unit of local currency to foreign currency and reverse