Icebreaker Company (a U.S.-based company) sells parts to a foreign customer on December 1, 2020, with payment of 21,000 dinars to be received on March 1, 2021. Icebreaker enters into a forward contract on December 1, 2020, to sell 21,000 dinars on March 1, 2021. The forward points on the forward contract are excluded in assessing hedge effectiveness and are amortized to net income using a straight-line method on a monthly basis. Relevant exchange rates for the dinar on various dates are as follows:

Date	Spot Rate			Forward Rate (to March 1, 2021)
December 1, 2020	$	3.90		$	3.975
December 31, 2020		4.00			4.100
March 1, 2021		4.15			N/A

Icebreaker must close its books and prepare financial statements at December 31.

b-1. Assuming that Icebreaker designates the forward contract as a fair value hedge of a foreign currency receivable, prepare journal entries for the sale and foreign currency forward contract in U.S. dollars.

b-2. What is the impact on 2020 net income?

b-3. What is the impact on 2021 net income?

b-4. What is the impact on net income over the two accounting periods?