Sierra Club is considering a marketing campaign seeking donations. The campaign costs $10,000 in year zero and expected to increase donations by the following amounts over next three years. year 1: $7000; Year 2: $3000 Year 3: $1000 What is the net present value (rounded to integer value) of the cashflow if Sierra Club uses a discount rate of 10% in its decisions, and should Sierra Club invest in the marketing campaign? (assume no taxes because Sierra Club is a nonprofit organization) $406, Should invest in the campaign $-1000, Should not invest in the campaign $ 11000, Should invest in the campaign $-406, Should not invest in the campaign $2661, Should invest in the campaign