I need help answering the four following questions. Thanks!

1. Sales Variances Assume that Casio Computer Company, LTD. sells handheld communication devices for $120 during August as a backtoschool special. The normal selling price is $180. The standard variable cost for each device is $60. Sales for August had been budgeted for 500,000 units nationwide; however, due to the slowdown in the economy, sales were only 450,000. Compute the revenue, sales price, sales volume, and net sales volume variances. $Answer Revenue Answer $Answer Sales Price Answer $Answer Sales volume variance Answer $Answer Net sales volume variance Answer 2. Materials Variances North Wind manufactures decorative weather vanes that have a standard materials cost of two pounds of raw materials at $1.50 per pound. During September 14,000 pounds of raw materials costing $1.59 per pound were used in making 6,800 weather vanes. Determine the materials price and quantity variance. Materials price variance $Answer Answer Materials quantity variance $Answer Answer 3. Direct Labor Variances Assume that Nortel manufactures specialty electronic circuitry through a unique photoelectronic process. One of the primary products, Model ZX40, has a standard labor time of 0.5 hour and a standard labor rate of $12.50 per hour. During February, the following activities pertaining to direct labor for ZX40 were recorded: Direct labor hours used 2,230 Direct labor cost $34,000 Units of ZX40 manufactured 4,800 (a) Determine the labor rate variance. $Answer Answer (b) Determine the labor efficiency variance. $Answer Answer (c) Determine the total flexible budget labor cost variance. $Answer Answer 4. Variable Overhead Variances Assume that the best cost driver that Sony has for variable factory overhead in the assembly department is machine hours. During April, the company budgeted 590,000 machine hours and $7,000,000 for its Texas plant's assembly department. The actual variable overhead incurred was $7,200,000, which was related to 600,000 machine hours. Do not round until your final answers. Round your answers to the nearest dollar. (a) Determine the variable overhead spending variance. $Answer Answer (b) Determine the variable overhead efficiency variance. $