For this exercise, you will be creating a shell script that will output the letter grades found in a separate file.This script would need to read from that file which has number grades on separate lines, and convert those numbers into it's letter grade equivalent as an output.See the screenshot below:Exercise$\_1.$jpg$$

CentOS $7[$Running$]-$ Oracle VM VirtualBox

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student : bash $-$ Konsole

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$[$student@localhost $]$ $ cat mygrades.txt $93$

$70$

$88$

$99$

$80$

$[$student@localhost $]$ $ $./$whileAssignment$.$sh

A

C

B

A

B

$[$student@localhost $]$

student : bash

s student : bash $-$ Konsole

$11$:$00$ AM

$(2)$

$8$

us

$11$:$00$ AM