What amount will Sharon need to have today to guarantee a fi…

What amount will Sharon need to have today to guarantee a fixed annual payment of $[amount] at the start of each year for [n] years? Assume interest rates are [rate]%. What is the amount of payment the company will provide?  Assume the payment does not increase with inflation.

Sam has some upcoming expenses for his children’s weddings. …

Sam has some upcoming expenses for his children’s weddings.  His daughter is getting married in 2 years and it will cost $[wed1] in today’s dollars.  His other daughter gets married 2 years later and it will cost $[wed2] in today’s dollars.  Assume he can earn [inv]% on his investments and inflation will be [inf]%.  How much must he put aside today to cover these costs? 

Consider the following scenario: A login system is being tes…

Consider the following scenario: A login system is being tested. The tester: Does not have access to the source code Only checks if the system behaves correctly when entering valid and invalid usernames and passwords. Tasks Identify the testing type used. Explain why this testing type is appropriate for this scenario. Suggest another testing type that developers should perform before this test.