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(Related to Checkpoint 5.6) (Solving for Springfield Learning sold zero coupon bonds (bonds that don't pay any interest, Instead the bondholder gets just ona payment, coming when the bond matures, from the issuer) and received $1,100 for each bond that will pay $19,000 when it matures in 30 years a. At what rate is Springfield Leaming borrowing the money from investors? b. Nancy Muntz purchased a bond at the offering for $1,100 and sold it 10 years later for the market price of $3,200, what annual rate of retur did she carn? c. If Bamey Gumble purchased Muntz's bond at the market price ($3,200) and held it 20 years until maturity, what annual rate of return would he have samed? a. At what rate is Springfield Learning borrowing the money from investors? 0% (Round to two decimal places) A