Problem $4$

A cylindrical metal specimen having an original diameter of $12\mathrm{.}8$ mm and gauge length of $50\mathrm{.}80$ mm is pulled in tension until fracture occurs. The diameter at the point of fracture is $8\mathrm{.}13$ mm and the fractured gauge length is $74\mathrm{.}17$ mm Calculate the ductility in terms of percent reduction in area and percent elongation.