The Rural Life Association is an NFPO that purchases and re-sells two blends of coffee to raise funds: regular and deluxe. Weekly demand is estimated to be 100 units of regular and 50 units of deluxe coffee. Only 220 machine hours are available per week to grind and package the coffee. The following per unit data apply: Required: Calculate how many units of each product should be produced each week to maximize profits. (6 marks) The Guatemala Refugee Association sells one kind of coffee to support its activities. It is in the process of preparing a flexible budget to determine why actual excess of revenue over expenses is below budgeted. Required: Prepare a flexible budget and provide one plausible explanation for each volume and flexible budget variance. (10 marks)