a$)$ At room temperature, what are the tensile strength and ductility of an alloy that has been cooled to equilibrium and contains $10\%$ of metal B$,?(30$ marks$)$ b$)$ What percentage of B is required to produce an alloy with a strength of $650$ MPa at room temperature? $(20$ marks$)$ c$)$ What is the ideal B$\%$ for achieving adequate strength while also preserving ductility? $(20$ marks$)\backslash$table$[[$Alloy composition,Tensile strength, MPa,Ductility $\%$