Under the perpetual inventory system, what is the correct entry to record the cost of the sale of a dining suite sold to a customer for $$1500?$ The dining suite was originally purchased on credit for $$900.$

Group of answer choices

Dr Cost of sales $1,500$

Cr Inventory $1,500$

Dr Cost of sales $900$

Cr Inventory $900$

Dr Cost of sales $900$

Cr Sales $900$

The cost of each sale is not recorded under the perpetual inventory system