Please add (excel)steps if possible! much appreciate!

You are in New Zealand. You are planning to price an American put option on US dollars, maturing in 22 months. The current exchange rate is one US dollar per 1.45 NZ dollars, while the option's strike will be 1.52. You plan to use a 2 step tree. The New Zealand interest rate is 5.20%, while the US interest rate is 2.10% (both with continuous compounding). You have calculated that an appropriate up move for the tree would be 1.1369, a down move would be 0.8796, and a risk-neutral probability of an up move would be 65.77%. What is the value of the option? 0.09410.07110.09950.0973 You are in New Zealand. You are planning to price an American put option on US dollars, maturing in 22 months. The current exchange rate is one US dollar per 1.45 NZ dollars, while the option's strike will be 1.52. You plan to use a 2 step tree. The New Zealand interest rate is 5.20%, while the US interest rate is 2.10% (both with continuous compounding). You have calculated that an appropriate up move for the tree would be 1.1369, a down move would be 0.8796, and a risk-neutral probability of an up move would be 65.77%. What is the value of the option? 0.09410.07110.09950.0973