$25)(4\%)$ Two identical pieces of carbon steel are cold rolled to respective inch before cold rolling. Use the figure below showing the cold rolling of the carbon steel to answer the following. Show your math or no credit! $1\mathrm{.}0$ inch $+$ a$)$ What is the respective $\%$ cold work $(\%$ reduction$)$ of the X$=0\mathrm{.}75$ in and the X$=0\mathrm{.}20$ in metal? $0)35\%$ and $45\%$ ii$)25\%$ and $80\%$ iii$)20\%$ and $70\%$ iv$)20\%$ and $60\%$ b$)$ Which material will have finer grain size after recrystallization? i$)$ X $=0\mathrm{.}75$ in ii$)$ X $=0\mathrm{.}20$ in iii$)$ both will be the same grain size c$)$ Which material will have more recrystallization when heated to $0\mathrm{.}2$Tm$?$ i$)$ X $=0\mathrm{.}75$in X $=0\mathrm{.}20$in ii$)$ neither will recrystallize d$)$ Which material will recrystallize at a lower temperature when heated higher above $0\mathrm{.}5$Tm$?$ i$)$ X $=0\mathrm{.}75$ in ii$)$ X $=0\mathrm{.}20$ in ii$)$ both will recrystallize at the same temperature