You want clean air, more efficient government and expanded civil rights. There are a dozen organizations that are working to ensure this goal. If you are thinking "Why should you join if they'll do the work without your help?" This would be an example of A. the public dilemma. B. plurality campaigns. C. the free-rider problem. D. the collective action problem.

you will have $2593.74 in 10 years if you set aside $1,000 at 10%

you will have $9321.91 in 20 years if you set aside $2000 at 8%

you will have $1469.32 in 5 years if you set aside $1000 at 8%

you will have $1296.87 in 10 years if you set aside $500 at 10%

you will have $239.66 in 15 years if you set aside $100 at 6%

you will have $4660.96 in 20 years if you set aside $1000 at 8%

reducing the scale of the market for a new product.