Please explain calculations and what they mean

Global Company manufactures apple sauce, apple jelly, and apple syrup. It produces apple sauce by blending three different varieties of apples. It has in its budget the following standards for the direct materials inputs to produce 100 kilograms (Kgs) of apple sauce in September 2016 as follows: Note that 300 Kgs of input quantities are required to make 100 Kgs of apple sauce. No inventories of direct materials are kept. The actual output for September 2016 was 98.500 Kg of apple sauce. The actual direct materials inputs used to produce this output were: Budgeted Sales for Global Company for September 2016 were: Actual sales for September 2016 were: Calculate the material mix and yield variances for September 2016. (In your calculations, show individual material mix and yield variances) Explain how management might use the information about the material mix and yield variances