The effective interest rate per period

Only answer d. NO EXCEL answers.

Elon Musk wants to save \\( \\$ 39,000,000.00 \\). He makes deposits of \\( \\$ 2,474,590.20 \\) every month into an investment account (at the start of each period) and it takes him 15 periods to reach his target. a) This question deals with the \\( x \\) value of an annuity b) There will be \\( x \\) payments. The payment period is c) The payment amount is \\( \\$ \\) d) The effective interest rate per period is \times e) The present/future value is \\( \\$ \\)