A sales clerk at Schackne Company correctly prepared a sales invoice for $5,200, but the invoice was entered as $2,500 in the sales journal and similarly posted to the general ledger and accounts receivable ledger. The customer remitted only $2,500, the amount on his or her monthly statement. The most effective procedure for preventing this type of error is to:

Which of the following is an example of groupthink? select one: a. the five officers of tricom are planning a venture they know to be highly profitable. two know the plan to be illegal. nevertheless, they do not voice their concerns, but go along with the team's plan b. the five officers of tricom devise a highly profitable plan. tim, the cfo, points out to the group that the plan will likely garner the company a good deal of negative publicity. tim states that he will not endorse the team's plan c. jim, dean and dax draw up plans for a new printing company. they have all thought through their plans and no one has any criticisms or concerns d. two africans approach a motor company for a dealership. the company informs them that the vast majority of black dealers are not successful in making a profit they convince the africans against making the deal