$9.$What output will be produced by the following code?

x $=$$$5\mathrm{.}75$

y $=$ int$($x$)$

z $=$ y $+10$

print $($z$)$

a$.$$$15$

b$\mathrm{.}15$

c$.$$$15\mathrm{.}0$

d$.$this code will produce an error

e$.$none of the above