A city needs a new pedestrian bridge over a local stream. The city uses an interest rate of 5%, and the project life is 30 years. The following data (in millions of dollars) summarizes the bids that were received. Bid A Bid B Construction materials costs ||$4.20 $6.20 Construction labor costs 0.60 0.70 Construction overhead costs 0.35 0.03 Initial administrative and legal costs|0.60 0.01 D- 94 Annual operating costs 10.05 0.075 Annual revenue from operation Unknown 0.40 Other annual benefits to the city ||0.22 0.25 What would the annual revenue of Bid A have to be for the two projects to be equivalent? Choose the closest value. (a) 0.10 (b) 0.20 (C) 0.30 (d) 0.40