After being interviewed at two companies he likes, Nol assesses that his probability of getting an offer from company A is 0.8, and his probability of getting an offer from company B is 0.6. If he believes that the probability that he will get offers from both companies is 0.5, what is the probability that he will get atleast one offer from these two companies?

a.) 0.9

b.) 0.8

c.) 0.7

d.) 0.6