Answer:
The Journal entries are as follows:
(i) Sales revenue A/c  Dr. $900
           To Cash  $900
(To record the correction in sales revenue)
(ii) Merchandise Inventory A/c  Dr. $200
            To Cost of Goods sold  $200
(To record the merchandise returned)
Note: 
(1) At the time of sale, the cash would have been debited with the amount of $900 and the sales revenue would have been credited with the amount of $900. Now, the cash of $900 should be credited as it was debited earlier.
(2) The inventory account also credited at the time sale, so it should be debited and the cost of goods sold debited at the time of original sale, so it need to be credited.
 
        
             
        
        
        
Brainstorming is a technique for the decision making, it encourages arguments between the individuals but this sometimes result in conflicts and disagreements.
<h3 /><h3>What is decision making?</h3>
Decision making is the technique in which the decision is decided, according to the situation and after careful analysis of the environment decision is made.
Force Field technique is a decision making technique, in this technique the participants write the decision in the middle of the paper and list the forces that require and resisting changes.
Decision making techniques are important and should be used to make an effective decision, in a complex business it is difficult to apply the technique but it is also important to implement the technique. 
Brainstorming is the technique in which all the participants sit together and share their ideas while some challenge the ideas and so a decision with an agreement is made.
Learn more about Decision making at brainly.com/question/27272241
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Answer:
Dr Raw materials	$93,000	
Cr Accounts payable $93,000
Explanation:
Based on the information given we were told that during the month, the corporation had to purchased an additional raw materials of the amount of $93,000 which means that the journal entry to record the purchase of raw materials would include a:
Dr Raw materials	$93,000	
Cr Accounts payable $93,000
(To record purchase of raw materials)