Dot's Dress Shop received an invoice dated August 18 for $6,000 with terms of 3/10, 2/15, n/60. On September 2 Dot's Dress Shop sent a partial payment of $4,500. The actual amount that should be credited to Dot's account is:

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