need some help with this problem please

Dark chocolate muffins with liquid mango sorbet inside do have the following standard cost per unit: Materials: 0.5 pounds of dough at EUR 1.00 per pound 0.1 pounds of mango sorbet at EUR 20.00 per pound Labour: 0.1 hours at EUR 15.00 per hour 100 of these muffins have been produced. These are the actual cost and consumption data PER UNIT: Materials: 0.6 pounds of dough at EUR 1.00 per pound = EUR 0.60 0.2 pounds of mango sorbet at EUR 21.00 per pound = EUR 4.20 Labour: 0.15 hours at EUR 16.00 per hour = EUR 2.40 = EUR 7.20 a) What is the flexible budget here, based on efficient resource consumption and actual output, and hence the total flexible budget variance? 3 points b) Which part of this is due to labour VOLUME variance? 3 points c) Which part of this is material PRICE for the dough variance? 4 points