$2-$ For a continuous and oriented fiber$-$reinforced composite, the moduli of elasticity of the fiber and matrix are $85$ and $20$GPa, respectively. If the volume fraction of fibers is $0\mathrm{.}30,$ determine the upper and lower limits of the moduli of elasticity $($in GPa$)$ of the fiber$-$reinforced composite, respectively.

a$)37\mathrm{.}7$;$28\mathrm{.}4$

b$)32\mathrm{.}5$;$28\mathrm{.}1$

c$)37\mathrm{.}5$;$22\mathrm{.}8$

d$)39\mathrm{.}5$;$25\mathrm{.}9$

e$)39\mathrm{.}5$;$23\mathrm{.}6$

f$)35\mathrm{.}4$;$20\mathrm{.}6$

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