Prims starts with min edge...isnt it? Then how can D be the answer???

Consider a computer that has a number of registers such that the three registers R0 = 1500, R1 = 4500, and R2 = 1000. The content of register R0 after the execution of the following instructions (assume that all numbers are decimal). ADD (R0)+, R2 …

Can someone solve this by substitution method?

Anybody pls solve this

anyone..??