$\backslash$table$[[,$Fluctuating Market$],[,$Regular Investment,Share Price,Shares Acquired$],[$Period $1$:$,$$$400,$$$25,16],[$Period $2$:$,400,20,20],[$Period $3$:$,400,25,16],[$Period $4$:$,400,20,20],[$Period $5$:$,400,25,16],[$Totals:$,$$$2,000,$$$115,88],[,,$Average share price:,$