You Are Given a Plasmid Containing a Part of a Gene

You are given a plasmid containing a part of a gene of Drosophila melanogaster.The gene fragment is 303 base-pairs long.You would like to amplify it using PCR.You design oligonucleotide primers 19 nucleotides in length that are complementary to the plasmid sequences immediately adjacent to both ends of the cloning site.What would be the exact length of most of the resulting PCR product in base pairs?

A) 303
B) 38
C) 341
D) 322
E) 265