please help with all questions. i will hit thumbs up!!! thank you!

2. What is the materials quantity variance for March? (Indicote the effect of each variance by selecting "F" for fovoroble, "U" for unfovorable, and "None" for no effect (i.e., zero variance.). Input the omount as a positive value.) 7. What is the direct labor efficiency variance for March? (Indicote the effect of each voriance by selecting " F " for fovorable, " U " for unfovorable, and "None" for no effect (i.e., zero varionce.). Input the amount os a positive value.) 3. What is the materials price variance for March? (Indicate the effect of each voriance by selecting "F" for fovoroble, "U" for infovorable, ond "None" for no effect (i.e., zero variance.). Input the omount as a positive value.) Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit is as follows. The company also established the following cost formulas for its selling expenses: The planning budget for March was based on producing and selling 15.000 units. However, during March the company actually produced and sold 17,000 units and incurred the following costs a. Purchased 170,000 pounds of raw materials at a cost of $8100 per pound. All of this material was used in production b. Direct-laborers worked 64.000 hours at a rate of $14.00 per hour c. Totai vartable manufacturing overhead for the month was $513,920 d. Total advertising, sales salaries and commissions, and shipping expenses were $300,000,$500,000, and $205,000, respectively