Scottie wants to accumulate $30,000 for a down payment for a house. He can only afford to set aside $ 300 at the beginning of every quarter. The account will credit interest monthly at the annual rate of 7.5%. You wish to know how long it will take Scottie to reach his goal. Find p (the equivalent rate of Interest per payment period) O a. 0.018867 O b.0.018123 O c. 0.01875 O d. 0.018245 O e 0.018577