A geneticist extracted 0.0058 nanograms0.0058\text{ nanograms}0.0058 nanograms of DNA from a diploid mouse cell. Calculate the mass of DNA the geneticist would expect to find in a haploid mouse sperm cell. Give your answer in picograms. (1 nanogram=1000 picograms1\text{ nanogram} = 1000\text{ picograms}1 nanogram=1000 picograms)