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505-555 (Easy)|   Verb Tense/Form|               
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egmat
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Even though the direct costs of malpractice disputes amounts to a sum 10 Jan 2023, 12:56
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waytowharton
Could you please explain concept of lower than. When can it be used? Why is it wrong in option D when costs is countable?

I am confused between C and D.
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Hello waytowharton,

Hope you are doing well. I will be glad to help you with this query. :)

The phrase "lower than" is used for countable nouns. The phrase "less than" is used for uncountable nouns. The noun "costs" is an uncountable noun. We cannot say a commodity has 1 cost, 2 costs, etc. Therefore, Choice C is the correct answer to this official question. Also, for the word "percent", we use "less than".


Hope this helps. :)
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carmenamos
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Even though the direct costs of malpractice disputes amounts to a sum 11 Jan 2023, 05:32
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here direct costs is plural, so any thing singular such as " a lower sum"
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Even though the direct costs of malpractice disputes amounts to a sum 13 Jan 2023, 16:14
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waytowharton
Could you please explain concept of lower than. When can it be used? Why is it wrong in option D when costs is countable?

I am confused between C and D.
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We addressed this point in an earlier post (https://gmatclub.com/forum/even-though- ... l#p2432151), and there are several other good posts earlier in the thread. If you are still confused after reading through everything here, let us know!
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