Consider the following LP problem with two constraints: $17$X $+25$Y $>=425$and $14$X $+10$Y$=140.$ The objective function is Min $21$X $+36$Y $.$ What combination of X and Y will yield the optimum solution for this problem?

a$.$

infeasible problem

b$.$

$9,1\mathrm{.}4$

c$.$

$10,0$

d$.$

$0,14$

e$.$

unbounded problem