solve 1-7 please be sure , clear and understandable

Solve the following problems: 1. An engineer deposits $3,000 into a saving account at the end of the first year. He will increase the amount in the account by 2% a year for 10 years. If the interest rate is 8% per year, what is the present worth of the amount in the account? 2. You borrowed 10,000 from a local bank with agreement that you will pay back the loan according to a graduated payment plan. If your first payment is set as $1.500 at the end of first year, what would be the remaining payment look like at a borrowing rate of 10% over five years? (At. G-S628.67) Consider the following Cash Flow shown in the Fig. Compute the equivalent present worth of this mixed-payment series at an interest rate of 15%. (Ani. P5543.72) ( TITUT 4. A geotechnical engineering firm has been awarded a job to design the foundation of an office building. The project is postponed and will not start for four more years. The firm needs to estimate the present worth of the costs of the project. At the year four, the cost will be $175,000 decreasing by $50,000 per year for the next three years. If the interest rate is 4%, what is the present worth of the projected cost of the project? 5. Compute the rate of return for investment represented by the following cash flow. (Am. 10,835) Year 0 1 2 3 4 5 Cash Flow -5595 S250 $200 SISO S100 SSO 6. What is the amount of 10 cqual antial deposits that can provide five amma withdrawals. when a first withdrawal of $3,000 is made at the end of year 11 and subsequent withdrawals increase at the rate of 6% per year over the previous year's sale it a. The interest rate is 8% compounded annually? h. The interest rate is compounded annually? 7. Consider the cash flow series given in the accompanying table. What value of makes the deposit series equivalent to the withdrawal series an interest rate of 6% compounded annually 5450)