Choose the code that will result in cost $-8\mathrm{.}4590$ showing as output in the command window.

$cost=7\mathrm{.}45$

$cost=cost1$

$8\mathrm{.}45=cost$

price $=8,45$

price $=$ cost

price $=8\mathrm{.}45$;

cost $=$ price;