I need help with 3a-4c.

Data: Metric Sales (units) Units Produced Labor (hours) Labor Cost ($) per hour Materials Cost ($) Equipment (Hours) Equipment Cost ($) Fixed Costs ($) Selling Price per Unit Use data in columns C & D for the Calculation Exercises 1a - 6c Parent (Domestic) Subsidiary (Less Developed Country) 1,750,000 650,000 1,400,000 480,000 40,000 20,000 $14.57 $5.52 $400,000 $200,000 120,000 30,000 $1,359,600 $225,000 $2,000,000 $725,000 $19.99 $19.99 Materials Productivity (units/$) 3a. Compute the single-factor productivity for materials for the Parent operations in units per dollar (enter your formula in cell B42). units/$ 3b. Compute the single-factor productivity for materials for the Subsidiary operations in units per dollar (enter your formula in cell B45). units/$ 3c. Interpret your findings by indicating which of the two entities is more productive in terms of single-factor materials productivity in units per dollar. Equipment Productivity (units/hour) 4a. Compute the single-factor productivity for equipment for the Parent operations in units per hour (enter your formula in cell B53). units/hour 4b. Compute the single-factor productivity for equipment for the Subsidiary operations in units per hour (enter your formula in cell B56). units/hour 4c. Interpret your findings by indicating which of the two entities is more productive in terms of single-factor equipment productivity in units per hour