Which definition best describes real GDP$?$

the production of goods and services valued at constant prices

the production of goods and services valued at current prices

the production of goods and services valued at tomorrow's prices

the general change in prices of goods and services from one period to the next

Consider a simple economy that produces two goods: tacos and hot dogs. The table shows the economy's production over several years. Calculate the real GDP for $2005$ using $2003$ as the base year.

$\backslash$table$[[$Year$,\backslash$table$[[$Price of tacos$],[($in dollars$)]],\backslash$table$[[$Number$],[$of tacos$]],\backslash$table$[[$Price of hot dogs$],[($in dollars$)]],\backslash$table$[[$Number of hot$],[$dogs$]]],[2003,3\mathrm{.}00,2,4\mathrm{.}00,2],[2004,5\mathrm{.}00,2,6\mathrm{.}00,4],[2005,K\mathrm{.}00,9\mathrm{.}00,6,]]$

real GDP: $$ dollars