A debt of $9029 is due at the end of 5 years. It is proposed that $X be paid now, with another $x paid in 10 years time to liquidate the debt. Calculate the value of X (amount in dollars) if the effective annual compounding interest rate is 6.1% for the first 6 years, and 13.6% for the next 4 years. O a. 4726.01 O b. 4323.63 O c. 4820.28 O d. 3730.30