Roberto is planning to buy a new laptop. He wants the following features:

Graphics: Integrated $7-$core$/8-$core GPU

RAM: $8$ GB $-16$GB

Screen: $13\mathrm{.}3-$inch $($diagonal$)2,560$ x $1,600$ LED$-$backlit display with IPS technology

Storage: $256$ GB $-2$TB SSD

He wants to be able to pay for the laptop in installments over three months using a credit card. Considering that he is interested in purchasing a high$-$end model, he expects that salespeople will keep him informed about new product upgrades. He expects that the laptop would deliver the promised performance and that he will be one of the few privileged owners of that laptop. In this scenario, which of the following represents Roberto's social needs?

a$.$ His expectation to be informed about product launches and upgrades

b$.$ His belief that the laptop he would purchase is unique and superior to other laptops in the market

c$.$ The convenience of paying in installments using his credit card

d$.$ The features he wants in the laptop

e$.$ His expectation that the laptop will perform as promised

$=$ Icon Key