Bill Gates plans to deposit into the bank a single amount on 9/1/15; he desires to withdraw $10,000 on 9/1/22 and $10,000 on 9/1/23. The Interest Rate is 8%. What single amount must be deposited on 9/1/15 to provide for the withdrawals? Select one: O a. $10,805 O b. $11,670 c. $17,833 O d. $11,238 O e. $13,108