Pharmaceutical Company A signed an agreement to help manufacture as many as $200$ million doses of Pharmaceutica! Company B$\text{'}$s new vaccine, filling vials and finishing packaging for Pharmaceutical Company B$\text{'}$s vaccine at Pharmaceutical Company A$\text{'}$s plant. Considering the companies intent to remain separate and independently controlled but share resources to scale up global production of the new vaccine, this scenario illustrates:

$$ a joint venture.

franchising.

exporting.

$$ a strategic alliance.