help me with question 4, need full information its very important to me.

QUESTION 4 25 MARKS Katima inclusive Limited manufacturers a single type of product and use a standard costing system to calculate the cost price. The standard cost per unit of the product is made up as follows: 25 kg material @ N$40 per kg 10 labour hours at N$10 per hour Overheads: 15 machine hours @ N$3 per hour - Fixed N$1 - Variable N$3 Budgeted information: on. 15 000 machine hours Fixed N$30 000 Variable N$60 000 Additional information: Material purchased and issued: Labour: Finished products completed: Actual machine hours: Actual manufacturing overheads: Fixed Variable 26 000 kg @ N$40, 20 per kg 9 950 hours @ N$10, 20 per hour 1 000 units 16 500 hours N$31 000 N$60 000 Page 13 of 14 REQUIRED: Calculate the relevant variances in respect of the following: 3.1 Material price variance (4 Marks) 3.2 Material quantity variance (4 Marks) 3.3 Total material variance (4Marks) 3.4 Labour rate variance (4 Marks) 3.5 Labour efficiency variance (4 Marks) 3.6 Total labour variance