If Carla incurs exactly the same total fixed costs but produces and sells only $1,600,000$ notebooks this coming year, what happens to the fixed cost per unit? In turn, what would the total cost per unit be$?$ If the average selling price stays at $$2\mathrm{.}10,$ how much gross margin would be earned? $($Round per unit answers to $2$ decimal places, e$.$g$.15\mathrm{.}25.)$Fixed costsTotal cost per unitGross margin