Answer:
Grunkle Stan Pines baked a cake but forgot to add sugar; therefore, he took one bite and spit it out.
OR
Grunkle Stan Pines baked a cake but forgot to add sugar. Therefore, he took one bite and spit it out.
Explanation:
What is "Grinkle Stan Pines" ??
"Therefore" is not the appropriate word here, but your instructions say to correct only capitalization and punctuation errors.
The imperative mood is used to give a command or make a request!
