Research and development costs for projects other than software development should be:

expensed in the period they are determined to be unsuccessful.

deferred pending determination of success.

expensed in the period incurred.

expensed if unsuccessful, capitalized if successful.

Expensed in the period incurred.  

Explanation:

This is as per recognized generally accepted accounting principles and practices across globe.

prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. eukaryotic cells contain membrane-bound organelles, including a nucleus. so i belive the answer is a : p hope it

anyone below or above ambitious can tell you. so crowns mean brainliest. getting brainliest means your answer needs a good explanation and the person asking the question can understand your answer easily. so say there's a multiple choice question. you don't just want to say your answer is a, hope it . provide evidence and reasoning so that they know that that is the correct answer. a good explanation should have evidence, good reasoning, and your opinion on why you picked that. you don't want to look up their question on the internet and see if you can answer it. pick questions that you 100% know the answer to, so than that way you can provide a better explanation.

best of luck,

the divergent