Can someone explain why I kept getting error on my BAII calculator as PV$=0\mathrm{.}0000*$ with all the entries correct?

Explanation

Instead of around $$700,000,$ Barb will need slightly more than $$1$ million to maintain an inflation$-$adjusted budget with equal purchasing power

$($using an inflation$-$adjusted rate of $3\mathrm{.}3816\%[((\frac{1\mathrm{.}07}{1\mathrm{.}035})-1)100=3\mathrm{.}3816]$ compounded monthly$)$; so the increase is approximately

$$300,000.$

Set calculator to BEG mode, $12$ payments per year, and clear the memory.

Keystrokes:

$25,$ shift, N$.$ For the TI BA II$+25,2ND,x\frac{P}{Y},N.$ The result should be $"300\mathrm{.}0000."$ This is $25$ year times $12$ months$/$year$.$

$3\mathrm{.}3816,$ I$/$YR$.$ For the TI BA IIT, I$/$Y$.$

$5000,$ PMT

PV Solution: $-$$$1,014,385\mathrm{.}32$ or $-$$$1,014,389\mathrm{.}93$ If you are way bff$,$ ensure you are compounding $12$ times per year.

Barb wants a retirement income of $$5,000$ at the beginning of each month for $25$ years. If she is able to earn a return of $7\%$ on invested assets, she needs $

$700,000$ to fund her income. However, this does not include any inflation adjustment. By incorporating a $3\mathrm{.}5\%$ inflation factor, what is Barb's approximate

funding requirement increase, stated at the time of retirement, if she wants to maintain the same purchasing power of her $$5,000$ monthly payment?

I set BA II Plus calculator to BEG mode, $12$ payments per year, and clear the memory:

$25,$ shift, N$.$ For the TI BA III, $25,2$ND$,$ xP$/$Y$,$ N$.$ The result should be $"300\mathrm{.}0000."$ This is $25$ year times $12$ months$/$year $.$

$3\mathrm{.}3816,$ I$/$YR$.$ For the TI BA II$+,$ I$/$Y$.$

$5000,$ PMT

CPT PV Solution: should be $-$$$1,014,385\mathrm{.}32$;

But I kept getting PV result as: $0\mathrm{.}0000*$ on my BA II calculator.

I$\text{'}$m sure I have cleared all memories of the calculator by $2$ nd$,FV,2nd,C\frac{E}{E}$;

Can anyone help me to identify why I kept getting this error?