❕ Among all your features, unit of time should be consistent, so choose either "week" or "month" and stick with that value.
About the four types of value:
This type of revenue is often related to attracting new customers, or more revenue from existing customers through the development of new products, services, or entering new markets. This type of value is to lengthen the life-cycle of current revenue streams, and avoiding current revenue streams from falling. Investment here does not generate new revenue, it protects the revenue we already have. This type of value looks to reduce any costs we are currently incurring. This type of value captures the costs we could incure in the future, and putting measures in place to avoid them. The easiest example of this are features that need to be completed by some date in order to avoid regulatory fines.
"Cost of delay" + "per (unit of time)"
This figure represent how much value is lost per unit of time by not having a feature in the market.