Concept:For stocks, compare dividend income by taking an equal investment in both shares.Explanation:For 15% at 80, income on investing Rs 80 is Rs 15.Take common investment =80×73.Income from first stock =8015​×(80×73)=15×73=1095.For 1351​%=566​% at 73, income on investing Rs 73 is Rs 566​.Income from second stock =7366/5​×(80×73)=566​×80=1056.Difference =1095−1056=39.Answer:Rs 39, so the first is better by Rs 39.