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A rectangular beam of width $b=15$ in$.,$ effective depth $d=21\mathrm{.}5$ in$.,$ and total depth $h=24$ in$.$ spans $18\mathrm{.}5ft$ between simple supports. Reinforcement consists of two No$.9$ Grade $80$ bars with No $4$ stirrups $($web reinforcement for shear capacity$).$ Determine if the beam is satisfactory with respect to cracking according to the ACI Code $($check if the spacing between bars comply with the requirements of Table $24\mathrm{.}3\mathrm{.}2$ of ACI $318-19).$ The clear cover on the sides is $2$ inches each side.

Given:

$b$:$=15in$

$d$:$=21\mathrm{.}5in$

$h$:$=24im$

$f_c^{\text{'}}$:$=4000$ psi

Say $fs=\frac{2}{3}Fy$

$Cc=2$ inches