The spelling of the name "Harold Jenkins" can be explained using IPA phonetic transcription. The first syllable 'Har-' is pronounced as /hær/ with a short 'a' sound. The second syllable '-old' is pronounced as /oʊld/ with a long 'o' sound. Lastly, the last syllable 'Jenkins' is pronounced as /ˈdʒɛŋkɪnz/ with a hard 'g' sound and an '-ins' ending. Therefore, the correct spelling for the name Harold Jenkins would be 'H-a-r-o-l-d J-e-n-k-i-n-s'.