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a. the difference between the wages as a proportion of the lower: a = (w2 - w1) / w2

b. the difference between the wages as a proportion of the higher: b = (w2 - w1)/w1

c. difference between the natural logs of the wages: c = lnw2 - lnw1

--- show that if b = y, than a = y + y^2 + y^3... and c = y + y^2/2 + y^3/3.....

***what I know (or think i know): the first is just a general geometric series, the second a taylor series. ive tried calculating the taylor series of c and seeing if it equals y + y^2/2... with "b" above plugged in for y. no discernible connection. is this how you would go about solving this problem? ive gotten embarrassingly little done for a days work on this problem, seem to be moving in circles. any help would be VERY much appreciated