A detailed explanation to the question below would be really great. Please help! Thanks in advance!

(Chapter 9) An employer offers her employee the Option of shifting :1: units of income from next year to this year. That is, the Option is to reduce inc0me next year by .7: units and increase income this year by :1: units. (a) Would the employee take this option? Use the life-time wealth equation and explain. (b) Determine, use a diagram, how this shift in income will affect consumption this year and next year and saving this year. Explain your results