with explanation please

Which of the following best describes the sequence of major steps in Concrete Block Manufacturing's operating cycle? Purchase raw materials, produce blocks, sell blocks, collect cash from accounts recelvable, pay suppliers Mix raw materials, pour and compact materials in molds, heat and cure molds, split or cube blocks Purchase sand, gravel and cement, produce blocks, sell blocks, collect accounts recelvable Purchase equlpment, purchase raw material, produce blocks, sell blocks A. A B. B c. C D. D