CAN YOU PLEASE SHOW ME HOW TO SOLVE THIS IN EXCEL AND NOT OTHER FORMULAS? THNAK YOU.

A husband and wife want to accumulate an investment worth $200,000 by the end of year 18.
The money will be needed to send their baby daughter to college. How much must they
invest now to accumulate their goal assuming they can earn an average of 7% per year?
Future value		$200,000
Rate		7%
Years		18
Present value			<== Use the PV function to determine how much to invest today.
What if they can invest $2,000 per year for each of the 18 years, how much would they need
to invest today?
Present value			<== Use the PV function to determine how much to invest today.