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Last month, sellers of Good G sold 1,000 units and collected revenue of $44,000. This month sellers of Good G raised their price, sold 960 units and received $48,000 of revenue. At the same time, the price of Good K stayed the same, but sales of Good K fell from 1,650 units to 1,350 units. We can conclude that Goods G and K are Select one: A' substitutes, and have a cross-price elasticity of 0:64, B. substitutes, and have a cross-price elasticity of 1.57 C\" complements, and have a cross-price elasticity of 1.57. D complements, and have a cross-price elasticity of negative 0.64 E complements, and have a cross-price eiasticrty of negative 1 57