Marginal costs. Keep in mind that marginal means on the edge of something, so the cost of producing one more unit would be on the edge. Hope this explanation helps.
It’s because they are independent I believe I am not sure but lol I’m an Asian
I hope it kinda helped
Answer:
The National Aeronautics and Space Administration came into being on October 1, 1958. NASA announced the seven Project Mercury Astronauts on April 9, 1959, only six months later. They are: (front, l to r) Walter H. Schirra, Jr., Donald K. Slayton, John H. Glenn, Jr., and Scott Carpenter; (back, l to r) Alan B. Shepard, Jr., Virgil I. Gus Grissom, and L. Gordon Cooper.
A hot line to say when war would be called. I hope this helps! :D
