You are trying to compute the bottom up beta for a firm that operates in biotechnology with an unlevered industry beta of $1\mathrm{.}29.$ The firm is considering the purchase of a division operating in farming$/$agriculture with an unlevered beta of $0\mathrm{.}61.$ All else equal and assuming that the new division will not change the D$/$E of the firm, how would this transaction affect the firm's bottom$-$up beta?

Decrease

No change

Increase