Determine the total amount of commission: sales: $16,000.00, commission: 2 percent on sales up to $2,000.00, 3 percent on sales from $2,000.00 to $5,000.00, 5 percent on sales over $5,000.00

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The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2