Please answer 33 and 34

The general model for calculating a price variance is: a. actual quantity of inputs x (actual price - standard price). b. standard price x (actual quantity of inputs - standard quantity allowed for output). c. (actual quantity of inputs at actual price) - (standard quantity allowed for output at standard price). d. actual price x (actual quantity of inputs - standard quantity allowed for output). The following material standards have been established for a particular product: The following data pertain to operations concerning the product for the last month