a student has only a few hours to prepare for two different exams tomorrow moring. the above tabvle shows alternative possible exam outcomes with three alternative uses for the students time. the opportunity cost of scoring an 84 on the history exam rather than 76 is:

Abc electronics wants someone to install a top-of-the-line security system in its two buildings, a system that not only sounds an alarm but also simultaneously notifies authorities and the company president. video surveillance of the premises should also be a capability of the security system. n order to obtain price quotes, what should the company write? a.an unsolicited proposal b.an internal proposal c.an external proposal d.a request for proposals