Can you solve this question and explain every step i am very lost with thisProblem $3.$

Consider each of the following arguments. If the argument is valid, identify the rule of inference

that establishes its validity. If not, explain why.

a$)$ Andrea can program in $C++,$ and she can program in Java. Therefore, she can program in

C$++.$

b$)$ If Ron's computer program is correct, then he'll be able to complete his computer science

assignment in at most two hours. It takes Ron over two hours to complete his computer

science assignment. Therefore, Ron's computer program is not correct.

c$)$ If interest rates fall, then the stock market will rise. Interest rates are not falling. Therefore,

the stock market will not rise.