Dear Josiah,
Thank you for your question.
Here is a TurboTax Article addressing multiple W-2 forms.https://blog.turbotax.intuit.com/taxes-101/dont-let-filing-...
For information on PA tax credit, please see:
https://www.dep.pa.gov/Citizens/GrantsLoansRebates/Alternative-Fuels-Incentive-Grant/pages/alternative-fuel-vehicl...
Here is an article from the IRS detailing R&D expensing as it relates to a software product.
https://www.irs.gov/businesses/audit-guidelines-on-the-application-...
