1. P ROJECT B USINESS M ATH Sarah Marcial 10 B Mr. Rehal

2. Q UESTION 1 My wage is $70,000 p.a. I am in section 3: Tax Subdivision $35,001 – 80,000 % tax payable $4,350 plus 30c for each $1 over 35,000 70 000 – 35 000 = 35 000 35 000 × 0.30 = 10 500 + 4 350 = $14,850

3. Q UESTION 2 Calculating my wage for my monthly take home wage. 70 000 ÷ 12 = $5833.33

4. Q UESTION 3 I purchased a motor bike for $5000 and sold it for $4000. Did I make a profit or a loss? How much profit or loss did I make in a percentage? Profit or loss: 5000 – 4000 = $1000 loss Percentage: 1000 5000 = 20% loss × 100

5. Q UESTION 4 Assume that 8% of my annual income is $4000, what is my actual annual income? 100 8 = 12.5 12.5 × 4000 = $50000 My actual annual income is $50,000

6. Q UESTION 5 329 750 25 = $13,190 per annum 13190 12 = $1099.17 per month 5 100 = $659.5 (5% interest p.a) This house costs $329,750 × 13190

7. Q UESTION 6 Purchase a car on hire purchase without a deposit. For convenience make monthly repayments for 3 years at 8% rate of interest p.a at simple interest. What would be the monthly repayment? Monthly payment = $1321.36 1321.36 × 12 = $ 15 856.32 p.a 15 856.32 × 3 = $47 568.96 (for 3 years) 8 100 = $1268.51 (8% interest rate) × 15 856.32

8. Q UESTION 7 Part A: 5 100 = $425 Part B: i = 8500(1 + ) = $15,264.80 Part C: $425x12=$5100 $8500+$5100=$13600 is the total money for the whole year.?? (what cousin said) × 8500 5 100 12