The following materials standards have been established for a particular product: The following data pertain to operations concerning the product for the last month: What was the company's materials quantity variance? $11,563U$6.732F$4.831U$12,700F The following labour standards have been established for a particular product: The following data pertain to operations concerning the product for the last month: What was the company's labour efficiency variance? $1,069U$1.069F$3,509U$3,509F