Selling An Asset The rate-of-return(回报率) in year t is the income earned by the asset in year t as a fraction of its value in year t E.g. if an asset valued at $1,000 earns $100 then its rate-of-return is 10%Selling An Asset The rate-of-return （回报率）in year t is the income earned by the asset in year t as a fraction of its value in year t. E.g. if an asset valued at $1,000 earns $100 then its rate-of-return is 10%