Webflow ROI Calculator Development

I need an ROI calculator built for my Webflow site. The calculator must allow users to input numerical values and make selections from dropdowns. It also requires specific custom graphics, for which I have references available.

Key Requirements:
- Build an interactive ROI calculator
- User inputs: Numerical values and Dropdown selections
- Incorporate provided custom graphics

Ideal Skills:
- Expert in Webflow and interactive development
- Proficient in creating custom graphics in line with provided references
- Experience in building user-friendly calculators
- Ability to work with numerical data and dropdowns.

Functional Examples:
- https://www.hubspot.com/roi-calculator/marketing
- https://www.flexera.com/resources/business-value-calculator
- https://www.mrisoftware.com/products/lease-roi-calculator/
- https://evocon.com/oee-software-roi-calculator/
- https://www.digitalroute.com/roi-calculator/
- https://www.scilife.io/roi-calculator