Solution A:

Cost $500,000$

Performance Improvement : $30\%$

Securty Improvement: $20\%$

Maintainability Improvement: $10\%$

Solution B:

Cost $600,000$

Performance Improvement: $40\%$

Security Improvement: $25\%$

Maintainability Improvement: $15\%$

Solution C:

Cost $700,000$

Performance Improvement: $50\%$

Security Improvement $30\%$

Maintainability Improvement: $20\%$

Assume that there is a linear relation between Quality Attribute measure and the Utility between Worst Case, Current Case and between Current Case and Best case.

Answer the question below. tabulate your computations wherever possible.

a$.$ Calculate the Quality Attribute Measures for each Architectural Solution.

b$.$ Calculate the Utility Points against each quality attribute for each Architectural Solution

c$.$ Determine the Increase in Utility for each quality attribute for each Architectural Solution.

d$.$ Calculate the Total Utility gain for Each Solution

e$.$ Calculate the Cost$-$Benefit Ratio and select the best Architectural Solution