In the last 2 years according to a market survey, only two planes had actually gone on to make money portraying the sense of uncertainty and risk that were attached to such a project. At the same time the return so n the success of such a project were huge making it a difficult choice for the management indeed.
The prices had to be competitively priced which added certain risks of their own. The learning curve which was used to derive these prices was not something that had not been used before the purposes of airplane manufacturing. In order to break even, mass production was required. Explaining the managers need to start the process as soon as possible.
In order to meet the above risks, Boeing took on a number of partners who participated in the risk sharing scheme effectively making risk management more effective. This sense of risk management evolved after a near disastrous experiment that resulted in immense losses.