Suppose you have the following four portfolios:

Portfolio A: A $$100$ face$-$value $2-$year risk$-$free bond with $4\%$ semi$-$annual coupons. Coupons are paid on January $1$ and July $1.$

Portfolio B: A $$100$ stock with expected $3\%$ annualized dividends paid quarterly. Dividends are expected to be paid on January $1,$ April $1,$ July $1,$ and October $1.$

Portfolio C: A $$100$ cryptocurrency ETF with expected $4\%$ annualized dividends paid quarterly. Dividends are expected to be paid on January $1,$ April $1,$ July $1,$ and October $1.$

Portfolio D: A $$100$ mortgage with two years remaining and $8$ payments remaining. The interest is $3\%$ annual interest. Assume the interest is the same amount for each quarter $($does NOT depend on the number of days$).$ Mortgage payments are quarterly.

Question $1$

What are the first $2$ years of cash flows of each portfolio? $($Display the results in a table$)$