Answer:
pay for the $190,000 new home in full and invest the extra $110,000 in high yielding blue chip preferred stocks to provide retirement income
Step-by-step explanation:
The couple should pay for the $190,000 new home in full and invest the extra $110,000 in high yielding blue chip preferred stocks to provide retirement income since it seems the couple are looking for additional or extra retirement income which is why it is best for the couple to Invest in high yielding blue chip preferred stocks which gives income and safety, along with the benefit of a low 15% maximum tax rate on cash dividends received.
Therefore this is the best choice for the couple because it will help them to have a better retirement extra income.