How many FTE"s a bot can replace on average?

There are 4 options. I was really confused. please help!

a. 1
b. 2
c. 3
d. 4

Please tell the exact value!

@Salman_Faries

The number of full-time equivalent (FTE) positions a bot can replace on average can vary widely depending on the complexity of the tasks being automated, the efficiency of the processes, and the level of human involvement required

@Salman_Faries - Where is this question from?