Hi Im confuse how I can get payback with different total net cash

CALCULATOR MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK NEXT LACICIJU JU Your answer is partially correct. Try again. Sheffield's Custom Construction Company is considering three new projects, each requiring an equipment investment of $25,740. Each project will last for 3 years and produce the following net annual cash flows. Year AA BB CC 1 $8,190 $11,700 $15,210 2 10,530 11,700 14,040 3 14,040 11,700 12,870 Total $32,760 $35,100 $42,120 The equipment's salvage value is zero, and Sheffield uses straight-line depreciation. Sheffield will not accept any project with a cash payback period over 2 years. Sheffield's required rate of return is 12%. Click here to view PV table. (a) Compute each project's payback period. (Round answers to 2 decimal places, e.g. 15.25.) Teclado en pantalla X AA 0.79 years Esc x 8 Inicio Re Pag Nav Tab W Entrar Fin Av Pag Subi BB 0.73 years Blaq May n Insertar Pausa Baja Mayus Supr Impr Pant Blog Despl Acop CC 0.61 years Fn Ctri Alt Ctr Opciones Ayuda Aten