Employees whose rate of commission increases as their sale increase are paid a ?

a: commission
b: graduated commission

B. Graduated commission

Step-by-step explanation:

This statement is the definition of a graduated commission as it is a system of compensating sales people;  their earnings depend on volume of sales. The more they sell the more the percentage of sales earned increases.

Commission on the other hand is an agent fee that a person pays so that the agent can execute a transaction.

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24