Bath is the currency of Thailand and Rupee is the Indian currency. On August 30, 22 the exchange rate between bath and rupee was, Ebath/rupee = 0.52 and on September 1, the exchange rate between bath and rupee was, Erupee/bath = 1.9230. It implies that from August 30 to September 1, the following has happened:

A) bath has appreciated against rupee

B) bath has appreciated against rupee

C) the exchange rate between bath and rupee didnt change

D) relative prices in Thailand increased