Kano model classifies customer needs into five categories: must$-$be$,$ one$-$dimensional, attractive, indifferent, and reverse quality. Consider the following customer expectations for a fast$-$food $($quick$-$service$)$ restaurant. How would you classify them? Justify your answers.

a$)$ Special prices on certain days

b$)$ Food is safe to eat

c$)$ Hot food is served hot

d$)$ Service is friendly

e$)$ Background music

f$)$ Playland for children

g$)$ Restaurant is clean inside

h$)$ Food is fresh

i$)$ A $$one$-$bite$$ money$-$back guarantee

j$)$ Orders can be phoned in for pickup at a separate window