Quality Jewelers uses the perpetual inventory system. On April 2, Quality sold merchandise for $50,000 to a customer on account with terms of 3/15, n/30. The allowances and returns on this sale amounted to $3,000 and $9,000, respectively. The cost of goods sold was $20,000. On April 20, Quality received payment from the customer. Calculate the amount of gross profit.

The Gross profit is $18,000

Explanation:

In order to calculate the amount of gross profit we would have to make the following calculation:

Gross Profit = Sale - Allowance - Sales Returns - Discount - Cost of Goods Sold

Sale=$50,000

Allowance=$3,000

Sales Returns=$9,000

Cost of Goods Sold =$20,000

Discount. As the payment is done after the expiry of 15 days is discount is 0

Gross Profit= $50,000 - $3,000 - $9,000 - 0 - $20,000

Gross Profit= $18,000

The Gross profit is $18,000

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

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