Please help me answer it in 90mins, and I will vote up, thank you very much.

Eastpac offers the following quotes for the Australian Dollar (AUD) and the Indian Rupee (INR): 1.5215 - 1.5321 AUD/$ 39.7405-40.8302 INR/$ Bank of Bombay offers the following cross quotes for direct trading of AUD and Indian Rupees: 18.750-20.250 INR/AUD What spot ask rate of INR/AUD is implicit in Eastpac's dollar quotes? (Input only numbers as your final answer. Round your final answer to four decimals.)