What would be the displayed as the increased monthly salary in the following pseudocode if the user enters the department as $$D$$ and the annual salary as $50000?$

if anSalary is numberic then

monSalary $=$ anSalary $/12$

if deptCode $=$A$$ then

monSalary $=$ monSalary $+$ monSalary $*0\mathrm{.}072$

else

if deptCode $=$B$$ then

monSalary $=$ monSalary $+$ monSalary $*0\mathrm{.}068$

else

monSalary $=$ monSalary $+$ monSalary $*0\mathrm{.}063$

endif

endif

display $$The increased monthly salary is R$,$ monSalary

else

display $$The annual salary must be numeric.$$

endif

a$.$

The increased monthly salary is R$4429\mathrm{.}17$

b$.$

The annual salary must be numeric.

c$.$

The increased monthly salary is R$53150\mathrm{.}00$

d$.$

The increased monthly salary is R$4450\mathrm{.}00$