a collector item is purchased for $150 and it is valued increases by 3% each year which graph can be used to determine the approximately how many years it will take for the value to double

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price