b$)$ PST Limited is a cement block production company. It has developed a new cement block having higher strength, better appearance, and less self$-$weight. PST Limited requires a return on invested capital of $25\%$ per annum.

Budgeted sales volume $($in units$)-100,000$ units.

Variable production cost per unit $-$ Rs$.65$

Fixed production cost per unit $-$Rs$.55$

Other annual fixed costs $($overheads etc.$)-$ Rs$.2,500,000$

Investment in machinery to produce the new block $-$ Rs$.1,200,000$

Period over which investment in new machinery is to be written off $-05$ years.

Research and development costs for the new block $-$ Rs$.800,000$

i$)$ Calculate the unit price of the new cement block based on the above data.

$(05$ marks$)$