assign the peaks in the NMR spectrum

1. Assign the peaks in the NMR spectrum for the compound below. (6) 2. How many distinct carbon signals are expected in the proton-decoupled 13C NMR spectrum of the compound below? Designate the carbons using alphabets a,b,c.... (6) 3. Will 2-heptanone undergo Mc Lafferty rearrangement? Provide explanation by drawing relevant structures. (6)