(4c) Explain in detail what is the result of the macro instruction "LODL A73" by illuminating (assigning actual values to) relevant registers before and after the execution (see (4b)).

(4d) How many cycles of Level 0 machine needed to fetch, decode and execute the macro instruction "LODL A73" ? Write down the path (a series of the line numbers in (1)) of micro instructions to perform this operation.