$(7\mathrm{.}5$ points$)$ Jack started his own business and achieved two rounds of financing on top of his own investment. Fill in the blank cells $($marked by Roman letters$)$ in the

following table with the number you calculate in each round of financing. Show your calculations in the space below. If you think there is not enough information to fill a

specific cell, mark $\text{'}\frac{N}{A^{\text{'}}}$ in the cell.