please show how numbers are computed, thanks

Required information [The following information applies to the questions displayed below.] Company A sold 100 units to Company B on November 17 . The units have a list price of $600 each, but Company B was given a 30% trade discount. The terms of the sale were 2/10,n/30. -a. Prepare the journal entries to record the sale on November 17 (ignore cost of goods) and collection a few days later lovember 26 , assuming that the net method of accounting for cash discounts is used. i-b. Prepare the journal entries to record the sale on November 17 (ignore cost of goods) and collection the next month ecember 15 , assuming that the net method of accounting for cash discounts is used. Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare the journal entries to record the sale on November 17 (ignore cost of goods) and collection a few days later on November 26 , assuming that the net method of accounting for cash discounts is used. Note: If no entry is required for a transaction/event, select "No journal entry required" in the first account field