Compare the money market hedge and the option hedge

Assume the following information:

U.S. deposit rate for 1 year = 10%
U.S. borrowing rate for 1 year = 12%
New Zealand deposit rate for 1 year = 8%
New Zealand borrowing rate for 1 year = 10%
New Zealand dollar forward rate for 1 year = $.40
New Zealand dollar spot rate
New Zealand dollar strike price 
Call premium
Put premium =
= $.40
$.42
$.02
$.01

Also assume that a U.S. exporter denominates its New Zealand exports in NZ$ and expects to receive NZ$700,000 in 1 year. You are a consultant for this firm. Compare the money market hedge and the option hedge. Make sure to indicate the value of NZ$ at which the U.S. exporter will be indifferent between the two hedging strategies as part of your answer.