Muffin Mania Bakery has a standard quantity of 1 kilogram of flour for one batch of muffins. The standard price is \($0.50\) per kilogram. During the month, the bakery manager bought 3,000 kilograms of flour for \($1,600.\) The bakery used 2,500 kilograms of flour to produce 2,400 batches of muffins during the month.

What are the material price and quantity variances for the flour?