On January 1, an investment account is worth 200,000. M months later, the value has increased to 210,000 and 15,000 is withdrawn. 2M months prior to the end of the year, the account is again worth 210,000 and 15,000 is withdrawn. On December 31, the account is worth 220,000. The annual effective yield rate, using the dollar-weighted method, is 27.4%. Calculate M.

A. 10

B. 6

C. 4

D. 2

E. 1

On January 1, an investment account is worth 200,000 M months later, the value has increased to 210.000 and 15.000 is withdrawn 2 months prior to the end of the year, the accounts worth 210.000 and 15,000 is withdrawn On December 31, the account is worth 220,000. The annual effective yield rate using the dollar-weighted method is 27.4%. Calate M O A10 3,6 C4 D.2