00:01
In this question, solution here is in the first part, the variable suitable for storing the grade is as follows character ch is equals to a.
00:17
So ch can have a, b, c, d or f.
00:33
Now data type is taken as, data type is taken as character ch ar type at a time only one grade is assigned to ch.
01:07
Ch is assigned as a character a.
01:13
This is the answer for first part.
01:17
Now for the second part, the variable suitable for storing the amount of sales tax of an item is as follows float tax underscore price is equals to 100 .21.
01:36
Data type is taken as float since the price can be in decimal form.
02:02
Decimal form tax price is a variable used to store the price of sales tax of an item and initialized to 100 .21.
02:42
Now this is the answer for second part.
02:45
Now for the third part, the variable suitable for storing the count of juice bottles that are sold is as follows unsigned long long integer bottles underscore sold is equals to 100000.
03:15
Data type is taken as unsigned long long integer.
03:39
The reason for taking this data type is as follows...