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 ​$3 comma 000 for modifications to the​ bakery's ovens to make them more energy efficient. The modifications were supposed to make the ovens at least 15 ​% more efficient. Brown has asked you to check the energy savings of the new ovens and also to look over other measures of the​ bakery's productivity to see if the modifications were beneficial. You have the following data to work​ with: Last Year Now Production​ (dozen) 1 comma 500 1 comma 500 Labor​ (hours) 350 320 Capital Investment​ ($) 16 comma 000 19 comma 000 Energy​ (BTU) 3 comma 200 2 comma 800 Energy productivity increase​ = nothing ​% ​(enter your response as a percentage rounded to two decimal places and include a minus sign if​ necessary). Capital productivity increase​ = nothing ​% ​(enter your response as a percentage rounded to two decimal places and include a minus sign if​ necessary). Labor productivity increase​ = nothing ​% ​(enter your response as a percentage rounded to two decimal places and include a minus sign if​ necessary).