1a)Few common biometrictechniques include: Fingerprint recognition, Signature dynamics, Iris scanning, Retina scanning, Voice prints and Face recognitionSelect one of these biometric techniques and explain the benefits and the  vulnerabilities associated with that method in 3-4 paragraphs of about 500 words in APA REFERENCING COMPULSORY.1b)Many people believe that the use of biometrics is an invasion of privacy. For example, an eye scanning device records the inner structure of a person’s eye and stores that image in a database. Critics worry that databases of human traits used to maintain corporate security may actually pose a privacy threat to individuals, if such data were used in other ways. In your view, are such concerns justified? Why or why not? in 300 words in APA REFERENCE STYLE.1c)Please do some research on top down vs bottom up budgeting. In your post describe the differences between each of these styles of budgeting. Then describe the advantages and disadvantages of each. Then I would like you to state which method you would employ if you were able to choose the method at a company you worked for. Why did you pick the method that you did? in 300 words in APA format referencing ( you can use some software industry for the company i worked for)