Based on the desired ending inventory of Raider-X company, the units that Raider-X will purchase is 18,900 units.
First, find the desired ending inventory:
= 3,000 x (1 + 30%)
= 3,900 units
The units that Raider-X should purchase are:
3,900 = 3,000 + Purchases - 18,000
Purchases = 3,900 - 3,000 + 18,000
= 18,900 units
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