=B49*1.5+J22

B49 is labour cost per hour, 1.5 is amount of hours, J22 is price per item,
however when J22 is left blank i am still getting result for B49*1.5.

i am using a similar formula;
=F5*D49+J5
=F49*2*E14+J14
but everything is ok in these cells, result is blank.

thanks everyone
James