Answer:
$390000
Step-by-step explanation:
Given: Beginning inventory= $60000
Cost of goods purchased = $380,000
Sales revenue= $800000.
Ending inventory= $50000.
The Periodic inventory system is used to determine the amount of inventory available at the end of each accounting period.
Cost of goods sold=
![beginning\ inventory+ cost\ of\ goods\ purchased- ending\ inventory](https://img.qammunity.org/2021/formulas/business/high-school/m8d9svvdbqbcou3p372ubxbzoqusjwaf1c.png)
⇒ Cost of goods sold=
![60000+380000-50000](https://img.qammunity.org/2021/formulas/business/high-school/83rrwltevv2k1vhh683y7axo13fikqc3tf.png)
⇒ Cost of goods sold=
![\$ 440000 - \$ 50000](https://img.qammunity.org/2021/formulas/business/high-school/mvo8eka9dyku33gx1fgpuxqzqk9esmx64l.png)
∴ Cost of goods sold=
.
Hence, $390000 is the cost of goods sold under a periodic system.