### Determine the required area of reinforcement and the corresponding reinforcement ratio for the section in Fig P4.1c if the ultimate moment is (a) 10,000 in-kips and (b) 5000 in-kips. ( f_{y}=60,000 ) psi. (c) ( f_{6}=6000 mathrm{psi} )

Determine the required area of reinforcement and the corresponding reinforcement ratio for the section in Fig P4.1c if the ultimate moment is (a) 10,000 in-kips and (b) 5000 in-kips. ( f_{y}=60,000 ) psi. (c) ( f_{6}=6000 mathrm{psi} )