A 2-20 arls noms bobib ad An application requires the support of an axial load of 400 kN with a round rod without exceed- ing the yield strength of the material. Assume the current cost per pound for round stock is given in the table below for several materials that are being considered. Material properties are available in Tables A-5, A-20, A-21, and A-24. Select one of the materials for each of the following additional design goals. (a) Minimize diameter. (b) Minimize weight. rub (c) Minimize cost. (d) Minimize axial deflection. Material avia 26 in 1020 HR aquest adi Cost/N $0.06 TS-S 1020 CD $0.07 min of boob 1040 Q&T @800°F sol 21 Hur m $0.08 8S-C fence Lotse-ed no 4140 Q&T @800°F $0.18 Exalte-1975 load resood ad bond Wrought A1 2024 T3! 52 bas lenTitanium alloy (Ti-6Al-4V) $0.24 $1.56 $1.5602