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Start the planAn electronics company started with a production run of 2^4 devices in the first year. Each year thereafter, its production doubled. If this trend continues, how many total devices will have been produced by the end of the fourth year?
(A) 2^4 + 2^5 + 2^6 + 2^7
(B) 2^5 + 2^6 + 2^7 + 2^8
(C) 2^4 + 2^6 + 2^8 + 2^10
(D) 2^7
(E) 2^12
(A) 2^4 + 2^5 + 2^6 + 2^7
(B) 2^5 + 2^6 + 2^7 + 2^8
(C) 2^4 + 2^6 + 2^8 + 2^10
(D) 2^7
(E) 2^12
