Answer and Explanation:
The journal entries are shown below:
For 2021
Research and development expense $2,310,000 Â
     To Cash $2,310,000
(Being expenses incurred on R&D is recorded)
Here expenses are debited as it increased the expense and credited the cash as it decreased the assets Â
For 2022
Research and development expense $910,000
Software development expense $510,000
     To Cash $1,420,000
(Being expenses incurred is recorded)
Here expenses are debited as it increased the expense and credited the cash as it decreased the assets Â