An effective strategy for retirement planning is to invest the maximum amount in the retirement account established by O A. your employer, the maximum amount in LIRAs, and invest any residual cash flow in registered investments. B. your employer, the maximum amount in RRSPs, and invest any residual cash flow in non-registered investments. O c. the government, the maximum amount in RRSPs, and invest any residual cash flow in non-registered investments. OD. the government, the maximum amount in CPPs, and invest any residual cash flow in registered investments