Need help on A2 -4 thanks

Icebreaker Company (a U.S.-based company) purchases materials from a foreign supplier on December 1, 2020, with payment of 18,000 dinars to be made on March 1,2021. The materials are consumed immediately and recognized as cost of goods sold at the date of purchase. On December 1, 2020, Icebreaker enters into a forward contract to purchase 18,000 dinars on March 1, 2021. Relevant exchange rates for the dinar on various dates are as follows: a-1. Assuming that Icebreaker designates the forward contract as a cash flow hedge of a foreign currency payable, prepare journal entries for the import purchase and foreign currency forward contract in U.S. dollars. a-2. What is the impact on 2020 net income? a-3. What is the impact on 2021 net income? a-4. What is the impact on net income over the two accounting periods? a-2. What is the impact on 2020 net income? a-3. What is the impact on 2021 net income? a-4. What is the impact on net income over the two accounting periods? (Do not round intermediate calculations. Negative amounts should be entered with a minus sign.)