Modifiers vs Options?

[stephenhhector]

Hello all. I have a pizzeria which sells around 10 x different variants of pizza (cheese, Hawaiian etc), each comes in 3 sizes (10", 14", 16"), all variants/sizes have different prices (i.e. 30 x different prices for 30 pizzas) then the customer can choose to add 'standard' toppings or 'premium' toppings which obviously differ by size. So a premium topping such extra cheese or chicken on a 10" is $2, $4 for a 14", $6 for a 16" and so on. Standard topping like basil or jalapenos is $1, $2, and $3 and so on.

How do I treat the import excel template? Do I just add sizes (10/14/16) under 'options' and premium/standard as modifiers?

Where do I put the separate costs for pizza variants? Under 'Option' and 'Option Value'?

Where do I add the cost for the modifiers? 

Any guidance would be gratefully received.