Rank the following assets from most to least liquid: $1.$ your diploma, $2.$ a washing machine, $3.$ Ten shares of Facebook, $4.$ an Apple I$-$Phone

Group of answer choices

a$)3,4,2,1$

b$)4,3,1,2$

c$)1,2,3,4$

d$)4,3,2,1$