Answer: Total amount of credit or debit to his account after interest and service fear both applied is $811.3125.
Step-by-step explanation:
Since we have given that
Total balance in Azmir's account last month=$825
0.75% interest for monthly fee which is given by
![0.75\%\text{ of }825\\\\(0.75)/(100)* 825\\\\=0.0075* 825\\\\=\$6.1875](https://img.qammunity.org/2019/formulas/mathematics/middle-school/5oywx01k7tb0lhq6x0vjcgrftenfn8smz4.png)
Now, his balance becomes
![825-6.1875=\$818.8125](https://img.qammunity.org/2019/formulas/mathematics/middle-school/j68xjbwd1q5vqojxtpy3jakqmmgf9kev9t.png)
Now, he has service fee of $7.50 , it will also deduct from it , which is given by
![818.8125-7.50=\$811.3125](https://img.qammunity.org/2019/formulas/mathematics/middle-school/6o7pq9rxvd68bcp3p2wt8ch0cf6f2xaoto.png)
Hence, total amount of credit or debit to his account after interest and service fear both applied is $811.3125.