I need answer for this question please both parts A&B?

2. Testing IRP. The one-year interest rate in Singapore is 11 percent. The one-year interest rate in the U.S. is 6 percent. The spot rate of the Singapore dollar (S$) is $.50 and the forward rate of the S$ is $.46. Assume zero transactions costs. a. Does interest rate parity exist? b. Can a U.S. firm benefit from investing funds in Singapore using covered interest arbitrage