Answer:
Purchases is $3400 million
Explanation:
Cost of goods formula comes readily helpful in this case.
Cost of goods sold=beginning inventory+purchases-ending inventory
by arranging the formula,the purchases formula is given thus:
Purchases=cost of goods sold-beginning inventory+ending inventory
cost of goods sold is $2,900 million
ending inventory is $4,600 million
beginning inventory is $4,100 million
purchases=($2,900-$4,100+$4,600) million
purchases=3400 million