Explain why vaccinations and social-distancings in times of the Corona pandemic are both
examples of positive externalities.

as they prevent further spreading of the virus. vaccinations create phagocytes which will ingest the virus cells. and self isolation will prevent the virus (which are droplets) from passing onto one another.

lbc corporation makes and sells a product called product wz. each unit of product wz requires 4.1 hours of direct labor at the rate of $20.00 per direct labor-hour. management would like you to prepare a direct labor budget for june. the company plans to sell 28,000 units of product wz in june. the finished goods inventories o