A rectangular beam is simply supported over a span of $6 \mathrm{~m}$ and carries characteristic dead load including self-weight of $12.7 \mathrm{kN} / \mathrm{m}$ and characteristic imposed load of $6.0 \mathrm{kN} / \mathrm{m}$. The beam is 200 $\mathrm{mm}$ wide by $300 \mathrm{~mm}$ effective depth and the inset $d^{\prime}$ of the compression steel is $40 \mathrm{~mm}$. Determine the areas of reinforcement required for mid-span of the beam for $f_{\mathrm{ck}}=25 \mathrm{MPa}$ concrete and $f_{\mathrm{yk}}=$ $500 \mathrm{MPa}$ reinforcement.

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