# Inbound MKGT Question

**URL:** <https://community.hubspot.com/t/inbound-mkgt-question/59320>\
**Category:** Study Group: Inbound\
**Created:** [June 19, 2022, 7:12am UTC](https://community.hubspot.com/t/inbound-mkgt-question/59320 "2022-06-19T07:12:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ZMack](https://avatars.discourse-cdn.com/v4/letter/z/df788c/32.png) [@ZMack](https://community.hubspot.com/u/ZMack)\
**Post date:** [June 19, 2022, 7:12am UTC](https://community.hubspot.com/t/inbound-mkgt-question/59320/1 "2022-06-19T07:12:02Z")

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Hello!

As I’m going through the certification workbook I’ve decided to create a fictional business to apply the knowledge. However, I’m having trouble so far using the calculator to determine costs such as acquisition, sales, deal size, and so on. I thought if I entered an amount in the year’s sales goals or the average deal sale amount the calculator would adjust. For instance, the question about “how many leads do I need to generate” is hard to answer without a fictitious scenario. How have people used the calculator to help them with the workbook? Or how do you suggest using the calculator to learn the material?

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**Author:** ![MiaSrebrnjak](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/miasrebrnjak/32/10_2.png) [@MiaSrebrnjak](https://community.hubspot.com/u/MiaSrebrnjak)\
**Post date:** [June 21, 2022, 11:47am UTC](https://community.hubspot.com/t/inbound-mkgt-question/59320/2 "2022-06-21T11:47:56Z")

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Hi @ZMack,

Thank you for reaching out to the Community! Can you share a screenshot of the calculator you’re using? Thanks!

Cheers  
Mia, Community Team