My last digit of student ID number is 0 Please help me with this~ Thank you

Question 1 ( 20 points) You are running a 6-floor rental housing building. The building has 2-bed and 3-bed apartments. There are 10 apartments on each floor. The relevant information is as follows: - Number of 2-bed apartments = The last digit of your Student ID Number 5 - Rent of 2-bed apartment =HK$8,000/ month - Rent of 3-bed apartment =HK$10,000/ month - Vacancy factor =10% - Apartment monthly utility expense =20% of the monthly rent income - Apartment monthly maintenance cost=5% of the monthly rent income - Loan portion from the bank =70%; developer's portion =30% - Bank interest rate = ( The last digit of your Student ID Number + 3)/100 - Developer's rate of return = (The last digit of your Student ID Number +5)/100 Please estimate the economic value of this building project (Note: Write down your Student ID Number at the start of the solution)