L,M and T are units of length, Mass and Time respectively in a system of units

In which of the following combination unit of force is `10^(6)` dyne.
A. (IV)(i)(P)
B. (II)(iii)(S)
C. (III)(iv)(P)
D. (I)(ii)(Q)

L,M and T are units of length, Mass and Time respectively in a system of units

In which of the following system unit of enery is `10^(9)` erg
A. (III)(i)(S)
B. (IV)(iii)(R)
C. (II)(iv)(Q)
D. (I)(iii)(P)