please help with showing work

Lufthansa (a German company) has just signed a contract with Boeing to purchase two new 747-400's for a total of $60,000,000. due three months (90-days) from today. Lufthansa wants to cover the $60,000.000 account payable by purchasing call options. The current spot rate is $1.25/euro. The 90-day call option (to buy dollars) has a strike price of $ 1.25/6 and a premium of $0.03/euro. a. How much will it cost Lufthansa (in euros) to buy the 90-day call options to cover the $60,000,000 account payable? b. If the spot rate in 90-days is $ 1.35/euro what is the cost of the $60.000,000 in euros (euro)? c. If the spot rate in 90-days is $1.15/euro what is the cost of the $60.000.000 in euros (euro)