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7-54 A popular magazine offers a lifetime subscription for A $1000. Such a subscription may be given as a gift to a that of a non-engineering graduate by $20,000 per year. During the subsequent 10 years, she projects an annual income that is $30,000 per year higher. Dur- ing the last 20 years of employment, she estimates an annual salary that is $50,000 above the level of the non-engineering graduate. If her estimates are cor- rect, what rate of return will she receive as a result of her investment in an engineering education? 7-54 A popular magazine offers a lifetime subscription for A $1000. Such a subscription may be given as a gift to a that of a non-engineering graduate by $20,000 per year. During the subsequent 10 years, she projects an annual income that is $30,000 per year higher. Dur- ing the last 20 years of employment, she estimates an annual salary that is $50,000 above the level of the non-engineering graduate. If her estimates are cor- rect, what rate of return will she receive as a result of her investment in an engineering education