Its hard to calculate because non of the costs are really all that clear. There are not even lander contracts for any mission after Artemis 3. It also depends o

Its hard to calculate because non of the costs are really all that clear. There are not even lander contracts for any mission after Artemis 3. It also depends on how long into to future you think this continue. And I think what that kind of analysis misses is how many important multi-use technologies are developed. Starship will mostly not be used for moon, but financed with moon money.