Ghostwriting is the practice of obtaining from an independent writer a manuscript that an author or organization publishes under their own name. Dinosaurs, Inc., an amateur archaeological society that has in recent years seen a decline in membership, plans to boost its popularity by hiring a ghostwriter for its newsletter to provide the kind fresh perspective and stylistic innovation that the group is no longer capable of providing itself.

Which of the following, if true, most strongly supports the prediction that Dinosaurs' plan will achieve its goal?

(A) Among the parts of the newsletter that Dinosaurs, Inc. does not plan to have ghostwritten are some that require knowledge of the society itself that no non-member would be familiar with.

(B) The editor of the Dinosaurs, Inc. newsletter ghostwrites newsletter articles for other amateur archaeological society newsletters.

(C) Few ghostwriters are both stylistically innovative and able to write accurately about specific archaeological issues.

(D) Dinosaurs, Inc. plans to select the ghostwriters it will use on the basis of writing samples from newsletters of other amateur societies.

(E) Many former members of Dinosaurs, Inc. cited the dullness of the newsletter as a reason for their choice to leave the society.

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The preliminary agreement to what was to be the Treaty of Utrecht was not to be signed until September 1711, and the final treaty in March 1713, but the peace process started moving before the end of 1710.

(A) to what was to be the Treaty of Utrecht was not to be signed until September 1711, and the final treaty in March 1713, but the peace process started moving

(B) to what was to be the Treaty of Utrecht was not to be signed until September 1711, but the peace process started to move before the final treaty in March 1713

(C) to what was the Treaty of Utrecht was not signed until September 1711, and the final treaty in March 1713, but the peace process had started to move

(D) of what was the Treaty of Utrecht was not signed until September 1711, and the final treaty in March 1713, but the peace process had started moving

(E) of what was to be the Treaty of Utrecht was not to be signed until September 1711, and of the final treaty in March 1713, but the peace process was started moving

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Kingsland companies often outsource data-entry tasks to foreign firms. The results of this outsourcing have been shown to lower costs for Kingsland companies in several different ways, and high costs can potentially bankrupt Kingsland companies. The decision to outsource is rare, except during recessions, when the Kingsland economy is weak. Therefore, Kingsland companies probably outsource their work because doing so helps them avoid bankruptcy.

Which of the following would it be most useful to determine in order to evaluate the argument?

(A) Whether outsourcing is the most effective cost-lowering method available to Kingsland firms.

(B) Whether the firms to which Kingsland companies outsource data-entry tasks are at risk of bankruptcy during recessions

(C) Whether companies in cities other than Kingsland outsource data-entry tasks to foreign firms

(D) Whether the only time foreign firms are available for data-entry tasks is when the Kingsland economy is weak

(E) Whether domestic firms are able to handle the data-entry tasks outsourced to foreign firms

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According to some market analysts, the third quarter decrease in retail inventory so that it was the lowest in six years suggests that further inflationary indicators may not be far behind.

(A) so that it was the lowest in six years

(B) so that it was the lowest six-year rate

(C) to what would be the lowest in six years

(D) to a six-year low level

(E) to the lowest level in six years

Click through to the GMAT Hacks website for the answer and explanation.