can you explain to a 14-year old non-native speaker of English when to use the simple past tense, and when to use the present perfect, please use examples from the field of business
can you explain to a 14-year old non-native speaker of English when to use the simple past tense, and when to use the present perfect, please use examples from the field of business and finance.

Sure, I'd be happy to help! Let's talk about the simple past tense and the present perfect tense in the context of business and finance.

1. Simple Past Tense:
The simple past tense is used to describe actions that happened in the past and have completed. In business and finance, we often use the simple past tense to talk about specific events or transactions that took place at a particular time in the past.

Example:
- Yesterday, I sold 100 shares of Apple stock. (This action is completed.)
- Last month, our company launched a new product. (This action is completed.)

2. Present Perfect Tense:
The present perfect tense is used to talk about actions that have happened at an unspecified time before now. It's also used to talk about actions that started in the past and continue to the present. In business and finance, we often use the present perfect tense to talk about ongoing situations, results, or experiences.

Example:
- I have worked at this company for five years. (This ongoing situation started in the past and continues to the present.)
- We have sold 500 units of our new product so far this month. (This ongoing action started in the past and continues up to the present.)

Remember, the present perfect tense is often used with "for" or "since" to show
Sure, I can try. Using the simple past tense is usually used to talk about actions that happened in the past and are no longer relevant. For example, "Yesterday I went to the store, but I didn't buy anything." Using the present perfect tense is used to talk about actions that happened in the past but are still relevant. For example, "I have gone to the store many times, but I haven't bought anything yet." This can be used to talk about a person's shopping habits.