I also need to know how to do capital productivity increase %, and labor productivity increase %

Brown's, a local bakery, is worried about increased costs particularly energy. Last year's records can provide a fairly good estimate of the parameters for this year Wende Brown, the owner, does not believe things have changed much, but she did invest an additional 53,000 for modifications to the bakery's ovens to make them more energy efficient. The modifications were supposed to make the ovens at least 20% more efficient. Brown has asked you to check the energy savings of the new ovens and also to look over other measures of the bakery's productivily to see if the modifications were beneficial. You have the following data to work with Energy productiliy increase = (enter your response as a porcentage rounded to two docimal places and inchude a munus sign if necessary)