show work and assign the correct peaks

Determine the structure for a compound with a Molecular weight of 148.0 g/mol and a molecular formula of C10H120. Key peaks for IR are 1680, 2874, 2962 and 3060 cm!. Key peaks for the MS are 148, 133, 105 and 77 M/Z. 50- 40- Transmittance 30 3050 2-2874 1003 20- OSTI -2952 -1213 10- 1680 3500 3000 1500 1000 2500 2000 Wavenumber (cm-1) 105 100 90 80- 70 60- 148 50 40- 30- 77 20- 120 10- 51 39 41 501 133 60 91 0- 40 50 60 70 80 90 100 MZ 110 120 130 140 150 160