Which of the Following Is the Hierarchical Operations Planning Process

Which of the following is the hierarchical operations planning process order?

A) 1^st - Resource requirements plan (RRP) ,2^nd - Rough-cut capacity plan (RCCP) ,3^rd - Capacity requirements plan (CRP)
B) 1^st - Rough-cut capacity plan (RCCP) ,2^nd - Resource requirements plan (RRP) ,3^rd - Capacity requirements plan (CRP)
C) 1^st - Capacity requirements plan (CRP) 2^nd - Resource requirements plan (RRP) ,3^rd - Rough-cut capacity plan (RCCP) ,
D) None of these