Laarni received P748.075 as her change.To get the amount she spent, we first multiply the amount of the product by its quantity.5.5 kilos of sugar multiplied by P30.75 and 12 multiplied by P6.905.5 x 30.75 = 169.12512 x 6.90 = 82.8We then add the two answers to get the total of her merchandise169.125 x 82.8 = 251.925We then subtract her total merchandise from the P1000 she gave the cashier.1000 - 251.925 = 748.075Therefore, Laarni received P748.075 as her change.