Answer:
if (age >= 65) { discountRate = 0.10; }
Step-by-step explanation:
In the actual javascript code there are no then used in the syntax.The (==) equal operator checks that both the operands are equal or not it is known to check loose equality in javascript.So to assign a value we use = operator.
In the if statement we write the condition.
if (age >= 65) { discountRate = 0.10; } is correct.