When a salesman travels for his company, he is given a specific amount of money he can spend for food, travel and hotel.
a. per diem b. per annum c. n. b. d. op. cit.

a. per diem

Explanation:

The salesman's job responsibility to increase the sales for the company through which the company could accomplish its future goals. In exchange for that, the salesman gets the remuneration the company hired for.  

As when the salesman travels for his company, he has given the specific amount for food, travel, and hotel per diem. The per diem is a Latin word that means per day.

The daily allowance is given by the company to a salesman with the hope that the salesman perform his duties well so that he could be appraised in the next new months with respect to the promotion and other perks

answer with step-by-step explanation:

a. wx is perpendicular to xy - true:

(since x is adjacent to x and y and all angles are 90 degrees in a square, therefore wx is perpendicular to xy)

b. ∠w is congruent to ∠x - true:

(all angles in a square are equal to each other)

c. ∠w is supplementary to ∠x - true:

(∠w and ∠x both are right angles which add up to 180 degrees so they are supplementary angles)

d. wxyz is a rhombus - true:

(a rhombus has all sides equal in length and so has a square so it is a rhombus)

e. wxyz is a trapezoid - false:

(a trapezoid has only one pair of parallel sides while a square has two pairs of parallel sides)

f. wx is parallel to yz - true:

(wx and yz are parallel to each other)