Austin General Hospital is evaluating new office equipment offered by six companies.

Each company provides different office equipment with details as shown below:

Equipment Required Investment Annual Savings over $10$ years

A $$210$ $$150$

B $$80$ $$70$

C $$144$ $$60$

D $$45$ $$150$

E $$350$ $$120$

F $$240$ $$200$

Equipment A and B are mutually exclusive.

Equipment C is contingent upon Equipment A$.$

Equipment D and E are also mutually exclusive.

Equipment F is contingent upon Equipment D$.$

a$.$ How many mutually exclusive decision alternatives are in the problem including the

do$-$nothing alternative? List all decisions. $[6$ points$]$

b$.$ What is the total required investment for each alternative? $[3$ points$]$

c$.$ What is the total annual savings for each alternative? $[3$ points