$20-$ if an interaction is of a one$-$time nature, that same company might approach a supplier with a "win$-$lose" mentality, viewing its objective as maximizing its value at the expense of the other party's value. What type of negotiation is called this example?

a$-$ Zero$-$ Sum negotiation

b$-$ Group Negotiation

c$-$ Individual Negotiation

d$-$Rational Negotiation