When conducting an analysis of alternatives, is there anything else you must do after eliminating alternatives that do not effectively address the capability gap? 1. No, since there is never more than one alternative that can effectively address a capability gap, the analysis is complete 2. Yes, you must always select the lowest-cost alternative from the remaining alternatives 3. No, all remaining alternatives become preferred solutions by default 4. Yes. You must compare the remaining alternatives with one another and discriminate between them based on cost and feasibility