A) Determine the total amount of fee paid in cell C7

Here are the formulas for the Microsoft Excel calculations:

a) Determine the total amount of fee paid in cell C7
To find the total amount of fee paid, you need to sum the values in the 'FEE PAID' column from cell C2 to C6.

$$\boxed{\text{=SUM(C2:C6)}}$$

b) Determine the average amount of fee paid in cell C8
To find the average amount of fee paid, you need to calculate the average of the values in the 'FEE PAID' column from cell C2 to C6.

$$\boxed{\text{=AVERAGE(C2:C6)}}$$

c) Determine the total amount owed by all the students in cell D7
To find the total amount owed, you need to sum the values in the 'BALANCE' column from cell D2 to D6.

$$\boxed{\text{=SUM(D2:D6)}}$$

d) Determine the minimum amount of fee paid in cell C9
To find the minimum amount of fee paid, you need to find the smallest value in the 'FEE PAID' column from cell C2 to C6.

$$\boxed{\text{=MIN(C2:C6)}}$$