Saved Isaac earns a base salary of $1250 per month and a graduated commission of 0.4% on the first $100,000 of sales, and 0.5% on sales over $100,000. Last month, Isaac's gross salary was $2025. What were his sales for the month? Question 1 options: ( $75,000 ( $175,000 ( $250,000 r $200,000 The price of a litre of gasoline has decreased by 25% since last month. The new price is $1.08 per litre, what was the old price? Question 8 options: C $1.41 C $1.33 r $1.44 r $1.52