The Nickelodeon Manufacturing Co$.$ has a series of $$1000$ par value bonds outstanding. Each bond pays interest semi$-$annually and carries an annual coupon rate of $7\%.$ Some bonds are due in three years while others are due in $10$ years. If the required rate of return on bonds is $10\%,$ what is the current price of:

a$)$ the bonds with $3$ years to maturity?

b$)$ the bonds with $10$ years to maturity?