如果我成功在那个工作上，我会邀请你去吃美食。Translate it into English.

Question

Please provide a better answer and explain in mandarin.

1)If i am successful in the job, I will invite you to eat delicious food.
2)If the job would be successful, I will invite you to eat delicious food.
3)If the job had been successful, I will invite you to eat delicious food.
4)If the job has been successful, I will invite you to eat delicious food.
5)If i am successful in handling the job, i will invite you to eat delicious food.
6)If I would be successful in the job, I will invite you to eat delicious food.
7)If I had been successful in the job, I will invite you to eat delicious food.
8)If I has been successful in the job, I will invite you to eat delicious food.

Answer 1

1)If I am successful in the job, I will invite you to eat delicious food.

Answer 2

？？？

Answer 3

5)If i am successful in handling the job, i will invite you to eat delicious food.