A Fortune $100$ company is about to undertake a $$50$ million construction project to build a new office building. As a condition of hiring a general contractor for the construction, they require the contractor to secure a performance bond to guarantee their work and performance under this contract. This is an example of $\_\_\_\_\_\_\_\_\_\_$ project risk.

a$.$ avoiding

b$.$ mitigating

c$.$ transferring

d$.$ accepting