What is the opportunity cost of an investment?

a.) the value of the next most valuable opportunity.
b.)the volatility of the investment.
c.)the combined values of the other opportunities available.
d.) the marginal benefit of the investment.

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks