The Saturn V was expensive. The Saturn V program cost $47 billion over 10 years for 13 launches which works out to something like $3.6 billion per launch. But the $3.6 billion figure includes development costs. Without dev costs, it's a mere $1.2 billion per launch.
●orbital每次发射用的罗刹国2手火箭发动机，每具3万美元。对比土星V这个1970年的12亿美元。（$1 in 1970 is equivalent in purchasing power to about $6.71 in 2020）12亿相当于今天的80亿美元。一次发射80亿，相当于购买罗刹国266,666.7具火箭发动机