Consider the following LP problem with two constraints: $43$X $+25$Y $>=1075$and $21$X $+12$Y$=252.$ The objective function is Min $7$X $+38$Y $.$ What combination of X and Y will yield the optimum solution for this problem?

a$.$

infeasible problem

b$.$

$3,15\mathrm{.}75$

c$.$

$12,0$

d$.$

$0,21$

e$.$

unbounded problem