Common Error Detection
Find out whether there is any grammatical error in below sentence.Another reason for pharmaceutical companies beefing up their / OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached / the end of the their patent protection periodare

allowed to be sold without a prescription. No error
Another reason for pharmaceutical companies beefing up their
OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached
the end of the their patent protection periodare

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